Directory
Gas transmission pipelines
Every gas transmission pipeline above Global Energy Monitor's size threshold, grouped by project: 4246 pipelines made up of 4246 tracked segments across 139 countries. 3921 have a route drawn on the map.
Pipelines
4,246
4246 tracked segments
Operating length
1,173,317 km
2975 pipelines operating
Under construction
77,835 km
282 pipelines building
Terminal connections
5,307
pipeline within 25 km of a terminal
Prefer a map? Open the world map to see these routes with the terminals they feed. Looking for one pipeline by name? Use the box below; the site search covers everything else.
Search by name, country or route, for example Nord Stream or Algeria Italy.
Showing 3601–3900 of 4246 pipelines, sorted by name. The filters below apply to this page.
| Countries | Segments | |||||
|---|---|---|---|---|---|---|
| Tasmanian Gas PipelineVictoria → Tasmania | Australia | Operating | 734 km | 1.29 bcm/y | 1 | 2002 |
| Tauern Gas PipelineBayern → Friuli Venezia Giulia | Germany, Austria, Italy | Cancelled | 290 km | 11.4 bcm/y | 1 | — |
| Taweelah-Fujairah Pipeline | United Arab Emirates | Operating | 244 km | 1.6 bcm/y | 1 | 2010 |
| Taweelah-Jebel Ali Gas PipelineAbu Dhabi → Dubai | United Arab Emirates | Operating | 112 km | 9.2 bcm/y | 1 | 2001 |
| Tegalgede-Muara Tawar Gas PipelineCentral Java → West Java | Indonesia | Cancelled | 50 km | Not reported | 1 | 2021 |
| Tejas Gas PipelineTexas → Texas | United States | Operating | 5,221 km | 1.23 bcm/y | 1 | 1953 |
| Tekerhat-Faridpur and Tekerhat-Barishal Gas Transmission Pipeline Project | Bangladesh | Shelved | 115 km | Not reported | 1 | 2029 |
| Tekirdag-Buyukkaristiran Pipeline | Türkiye | Operating | 41 km | Not reported | 1 | — |
| Teleghma-Aïn Beïda Gas PipelineMila → Oum El Bouaghi | Algeria | Operating | 111 km | Not reported | 1 | 1985 |
| Teleghma-Beni Mansour Gas PipelineMila → Boudjellil | Algeria | Operating | 203 km | Not reported | 1 | 1974 |
| Telfer PipelineWestern Australia → Western Australia | Australia | Operating | 443 km | 0.29 bcm/y | 1 | 2004 |
| Telfer Pipeline | Australia | Operating | 45 km | Not reported | 1 | — |
| Tendrara Export PipelineOriental → Oriental | Morocco | Proposed | 120 km | Not reported | 1 | — |
| Tengiz-Kulsary Gas PipelineAtyrau → Atyrau | Kazakhstan | Operating | 126 km | 0.83 bcm/y | 1 | — |
| Tennessee Gas PipelineTexas → New United Kingdom | United States | Operating | 18,926 km | 10.2 bcm/y | 1 | 1943 |
| Tennessee Gas PipelineMassachusetts → Massachusetts | United States | Operating | 3.4 km | 0.74 bcm/y | 1 | 2021 |
| Tennessee Gas Pipeline | United States | Operating | 0 km | 9.14 bcm/y | 1 | 2022 |
| Tennessee Gas Pipeline | United States | Cancelled | 1,551 km | Not reported | 1 | — |
| Tennessee Gas PipelinePennsylvania → New York | United States | Cancelled | 547 km | 13.3 bcm/y | 1 | — |
| Tennessee Gas PipelineMississippi → Alabama | United States | Proposed | 335 km | 21.5 bcm/y | 1 | 2028 |
| Terminal Gás Sul-GASBOL Gas PipelineSanta Catarina → Santa Catarina | Brazil | Operating | 33 km | 5.48 bcm/y | 1 | 2024 |
| Terranuova Bracciolini–Gallese Civita Cast Gas Pipeline | Italy | Operating | 169 km | Not reported | 1 | 1993 |
| Terranuova Bracciolini–Livorno Gas Pipeline | Italy | Operating | 114 km | Not reported | 1 | — |
| Terranuova-Castelbolognese Gas Pipeline | Italy | Operating | 112 km | Not reported | 1 | 1996 |
| Terranuova-Minerbio Gas Pipeline | Italy | Operating | 156 km | Not reported | 1 | 1984 |
| Teréga Gas Pipeline NetworkSouthwest France → Southwest France | France | Operating | 4,691 km | Not reported | 1 | — |
| Tesla Gas PipelineKırklareli → Lower Austria | Türkiye, Greece, Serbia, Hungary, Austria | Cancelled | 1,400 km | 27 bcm/y | 1 | 2019 |
| Texas Eastern Transmission (TETCO) Gas PipelineOhio → Ohio | United States | Operating | 122 km | 5.62 bcm/y | 1 | 2015 |
| Texas Eastern Transmission (TETCO) Gas PipelinePennsylvania → New Jersey | United States | Operating | 55 km | 6.13 bcm/y | 1 | 2014 |
| Texas Eastern Transmission (TETCO) Gas PipelineOhio → Ohio | United States | Operating | 8.1 km | 9.71 bcm/y | 1 | 2019 |
| Texas Eastern Transmission (TETCO) Gas PipelineTexas → New York | United States | Operating | 14,202 km | 119 bcm/y | 1 | 1942 |
| Texas Eastern Transmission (TETCO) Gas PipelineOhio → Pennsylvania | United States | Cancelled | 53 km | 4.04 bcm/y | 1 | — |
| Texas Eastern Transmission (TETCO) Gas PipelineLouisiana → Louisiana | United States | Operating | 0.3 km | 7.67 bcm/y | 1 | 2021 |
| Texas Eastern Transmission (TETCO) Gas PipelineNew Jersey → New Jersey | United States | Operating | 2.8 km | 2.7 bcm/y | 1 | 2022 |
| Texas Eastern Transmission (TETCO) Gas PipelineLouisiana → Louisiana | United States | Proposed | 4.8 km | 12.9 bcm/y | 1 | 2024 |
| Texas Eastern Transmission (TETCO) Gas PipelineWest Virginia → Pennsylvania | United States | Operating | 28 km | 2.04 bcm/y | 1 | 2012 |
| Texas Eastern Transmission (TETCO) Gas PipelinePennsylvania → Pennsylvania | United States | Operating | 1.6 km | 0.18 bcm/y | 1 | 2021 |
| Texas Eastern Transmission (TETCO) Gas PipelineDelaware → Pennsylvania | United States | Proposed | 0 km | 0.33 bcm/y | 1 | 2027 |
| Texas Gas Transmission PipelineLouisana → Indiana, Illinois, Ohio | United States | Operating | 9,616 km | 62.3 bcm/y | 1 | 1948 |
| Texas Gas Transmission PipelineKentuky → Tennesse | United States | Cancelled | 37 km | 0.53 bcm/y | 1 | — |
| Texas Gas Transmission PipelineOhio → Ohio | United States | Proposed | 292 km | 20.4 bcm/y | 1 | — |
| Texas Independence PipelineTexas → Texas | United States | Operating | 258 km | 11.2 bcm/y | 1 | 2009 |
| Texas Intrastate System Gas PipelineTexas → Texas | United States | Operating | 10,895 km | 74.9 bcm/y | 1 | 1960 |
| The Area 72-Rustavi Gas Pipeline | Georgia | Operating | 13 km | 2.01 bcm/y | 1 | 2006 |
| The Connection Pipeline between Guangdong Gas Pipeline Network and Fujian Gas Pipeline NetworkGuangdong → Guangdong | China | Under construction | 9.1 km | 5.57 bcm/y | 1 | — |
| The Connection Pipeline between Guangdong Gas Pipeline Network and Fujian Gas Pipeline NetworkFujian → Fujian | China | Under construction | 19 km | 1.06 bcm/y | 1 | — |
| Theddlethorpe-Killingholme Pipeline | United Kingdom | Operating | 52 km | Not reported | 1 | 1990 |
| Thi Vai Import Terminal Gas Pipeline | Vietnam | Operating | 12 km | 4.5 bcm/y | 1 | 2023 |
| Thiva-Megalopoli Gas Pipeline | Greece | Operating | 208 km | Not reported | 1 | — |
| Thylacine Geographe Gas PipelineVictoria → Victoria | Australia | Operating | 70 km | 1.1 bcm/y | 1 | 2007 |
| Tianjin Gas Pipeline NetworkTianjin → Beijing | China | Operating | 229 km | 4.5 bcm/y | 1 | 2023 |
| Tianjin Gas Pipeline NetworkHebei → Tianjin | China | Operating | 120 km | 3.1 bcm/y | 1 | 2004 |
| Tianjin Gas Pipeline NetworkHebei → Tianjin | China | Operating | 108 km | 6.3 bcm/y | 1 | 2008 |
| Tianjin Gas Pipeline NetworkHebei → Tianjin | China | Operating | 162 km | 9.05 bcm/y | 1 | 2015 |
| Tianjin Gas Pipeline NetworkTianjin → Hebei | China | Operating | 83 km | 0.37 bcm/y | 1 | 1975 |
| Tianjin Gas Pipeline NetworkTianjin → Tianjin | China | Operating | 93 km | 1.1 bcm/y | 1 | 2001 |
| Tianjin Gas Pipeline NetworkTianjin → Hebei | China | Operating | 622 km | 13.6 bcm/y | 1 | 2019 |
| Tianjin Gas Pipeline NetworkTianjin → Hebei | China | Under construction | 137 km | 15.6 bcm/y | 1 | — |
| Tibet Natural Gas PipelineQinghai → Tibet | China | Cancelled | 1,153 km | 1.2 bcm/y | 1 | — |
| Tiger Gas PipelineTexas → Louisiana | United States | Operating | 282 km | 20.4 bcm/y | 1 | 2010 |
| Tiger Gas PipelineLouisiana → Louisiana | United States | Operating | 34 km | 4.09 bcm/y | 1 | 2011 |
| Tiguentourine/Hassi-Kifaf Gas Pipeline | Algeria | Operating | 109 km | 4.8 bcm/y | 1 | 2022 |
| Tinat Kuff-Haradh Gas Pipeline | Saudi Arabia | Operating | 43 km | Not reported | 1 | — |
| Tioga to Emerson PipelineNorth Dakota → Manitoba | United States, Canada | Shelved | 531 km | 6.13 bcm/y | 1 | 2025 |
| Titas to A-B Pipeline | Bangladesh | Operating | 8 km | 2.56 bcm/y | 1 | 2012 |
| Titas-Dhaka Gas Pipeline | Bangladesh | Operating | 82 km | 1.79 bcm/y | 1 | 1968 |
| Titas-Narshingdi Gas Pipeline | Bangladesh | Operating | 46 km | 2.71 bcm/y | 1 | 1985 |
| Tivissa-Barcelona Gas Pipeline | Spain | Operating | 427 km | Not reported | 1 | 1979 |
| Tivissa-Barcelona Gas Pipeline | Spain | Operating | 0 km | Not reported | 1 | 2008 |
| Tivissa–Castelnou Gas Pipeline | Spain | Operating | 91 km | Not reported | 1 | 1979 |
| Tivissa–Castelnou Gas Pipeline | Spain | Operating | 0 km | Not reported | 1 | 2010 |
| Tobago Gas Pipeline | Trinidad and Tobago | Operating | 55 km | 1.22 bcm/y | 1 | 2012 |
| Tochigi Gas Pipeline | Japan | Operating | 53 km | Not reported | 1 | 2005 |
| Tocuz-Cainari-Mereni Gas Pipeline | Moldova | Operating | 64 km | 1.8 bcm/y | 1 | 2007 |
| Tokyo Trunk Line | Japan | Operating | 48 km | Not reported | 1 | 1975 |
| Tokyo-Niigata Gas Pipeline | Japan | Operating | 323 km | Not reported | 1 | 1962 |
| Tomatoh Trunk LineHokkaido → Hokkaido | Japan | Operating | 2.7 km | Not reported | 1 | 2008 |
| Torbat Heydariyeh–Kashmar Gas PipelineRazavi Khorasan → Razavi Khorasan | Iran | Operating | 70 km | Not reported | 1 | — |
| Torishima Connection Line | Japan | Operating | 1 km | Not reported | 1 | 2000 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Russia, Belarus | Operating | 851 km | 40 bcm/y | 1 | 1974 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Russia, Belarus | Operating | 851 km | 40 bcm/y | 1 | 1978 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Russia, Belarus | Operating | 851 km | 40 bcm/y | 1 | 1983 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus, Lithuania | Operating | 221 km | 0.6 bcm/y | 1 | 1961 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 60 km | Not reported | 1 | — |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 34 km | Not reported | 1 | 1991 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 60 km | Not reported | 1 | 2007 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 72 km | Not reported | 1 | 1981 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 115 km | Not reported | 1 | 1994 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 34 km | Not reported | 1 | 2005 |
| Torzhok-Minsk-Ivatsevichy Gas Pipeline | Belarus | Operating | 285 km | Not reported | 1 | 1984 |
| Torzhok-Smolensk-Mazyr-Dolyna Gas Pipeline | Russia, Belarus, Ukraine | Operating | 1,300 km | 22 bcm/y | 1 | 1996 |
| Torzhok-Valdai Gas PipelineTver Oblast → Novgorod Oblast | Russia | Operating | 157 km | Not reported | 1 | 1972 |
| Toyama Gas Pipeline | Japan | Operating | 106 km | Not reported | 1 | 2016 |
| Toyano Pipeline | Japan | Operating | 17 km | Not reported | 1 | 1961 |
| Trailblazer Gas PipelineWyoming → Nebraska | United States | Operating | 702 km | 8.97 bcm/y | 1 | 1981 |
| Traill County PipelineMinnesota → North Dakota | United States | Operating | 101 km | Not reported | 1 | 2021 |
| Trans Europa Naturgas PipelineNordrhein-Westfalen → Aargau | Germany, Switzerland | Operating | 505 km | 9.25 bcm/y | 1 | 1974 |
| Trans Europa Naturgas PipelineBaden-Württemberg → North Rhine-Westphalia | Germany | Operating | 0 km | 5.4 bcm/y | 1 | 2020 |
| Trans Europa Naturgas PipelineRheinland-Pfalz) → Rheinland-Pfalz) | Germany | Operating | 38 km | Not reported | 1 | 2025 |
| Trans Europa Naturgas PipelineBaden-Württemberg → Baden-Württemberg | Germany | Operating | 29 km | Not reported | 1 | 2025 |
| Trans Europa Naturgas PipelineBaden-Württemberg → Baden-Württemberg | Germany | Operating | 31 km | Not reported | 1 | 2025 |
| Trans Europa Naturgas PipelineNordrhein-Westfalen → Aargau | Germany, Switzerland | Operating | 436 km | 9.25 bcm/y | 1 | 1974 |
| Trans Nigeria Gas Pipeline | Nigeria | Under construction | 1,300 km | 35.8 bcm/y | 1 | 2025 |
| Trans Nigeria Gas Pipeline | Nigeria | Proposed | 686 km | 3.5 bcm/y | 1 | — |
| Trans Québec and Maritimes (TQM) PipelineQuebec → Quebec | Canada | Operating | 572 km | 8.18 bcm/y | 1 | 1982 |
| Trans Sabah Gas PipelineSabah → Sabah | Malaysia | Cancelled | 662 km | Not reported | 1 | — |
| Trans Thailand–Malaysia Gas Pipeline (TTM) | Malaysia, Thailand | Operating | 267 km | 10.4 bcm/y | 1 | 2007 |
| Trans-ASEAN Gas Pipeline | Vietnam | Shelved | Not reported | 10 bcm/y | 1 | 2026 |
| Trans-Adriatic Gas Pipeline | Türkiye, Greece, Albania, Italy | Operating | 878 km | 10 bcm/y | 1 | 2020 |
| Trans-Adriatic Gas Pipeline | Türkiye, Greece, Albania, Italy | Proposed | 0 km | 10 bcm/y | 1 | 2025 |
| Trans-Alaska Gas PipelineAlaska → Alaska | United States | Operating | 240 km | Not reported | 1 | 1977 |
| Trans-Anatolian Gas Pipeline | Georgia, Türkiye | Operating | 1,811 km | 16 bcm/y | 1 | 2018 |
| Trans-Anatolian Gas Pipeline | Georgia, Greece, Türkiye | Proposed | 0 km | 8 bcm/y | 1 | 2023 |
| Trans-Anatolian Gas Pipeline | Georgia, Greece, Türkiye | Proposed | 0 km | 7 bcm/y | 1 | 2026 |
| Trans-Austria Gas PipelineLower Austria → Carinthia | Austria | Operating | 380 km | 13.7 bcm/y | 1 | 1974 |
| Trans-Austria Gas PipelineLower Austria → Carinthia | Austria | Operating | 380 km | 13.7 bcm/y | 1 | — |
| Trans-Austria Gas PipelineLower Austria → Carinthia | Austria | Operating | 380 km | 13.7 bcm/y | 1 | 2007 |
| Trans-Balkan Gas Pipeline | Türkiye, Bulgaria, Romania | Operating | 638 km | 27 bcm/y | 1 | 1988 |
| Trans-Bay Gas Pipeline | Japan | Operating | 20 km | Not reported | 1 | 2009 |
| Trans-Caribbean Gas PipelineLa Guajira → Zulia | Venezuela, Colombia | Mothballed | 224 km | 5 bcm/y | 1 | 2007 |
| Trans-Caspian Gas Pipeline | Turkmenistan, Azerbaijan | Proposed | 300 km | 16 bcm/y | 1 | 2029 |
| Trans-Caspian Gas Pipeline | Turkmenistan, Azerbaijan | Proposed | 0 km | 14 bcm/y | 1 | — |
| Trans-Central Sumatra Gas PipelineSouth Sumatra → South Sumatra | Indonesia | Operating | 536 km | 4.36 bcm/y | 1 | 1998 |
| Trans-Iraq-Hilla-Gas Pipeline | Iraq | Operating | 40 km | Not reported | 1 | — |
| Trans-Iraq-Nasriyaha Gas Pipeline | Iraq | Operating | 470 km | 11 bcm/y | 1 | — |
| Trans-Iraqi-Daura Gas Pipeline | Iraq | Operating | 47 km | Not reported | 1 | — |
| Trans-Iraqi-Dewania Gas Pipeline | Iraq | Operating | 80 km | Not reported | 1 | — |
| Trans-Iraqi-Najaf PWR St Gas Pipeline | Iraq | Operating | 119 km | Not reported | 1 | — |
| Trans-Korea Gas Pipeline | Russia, North Korea, South Korea | Shelved | 1,202 km | 10.9 bcm/y | 1 | — |
| Trans-Mediterranean Gas PipelineLaghouat → Slovenia | Algeria, Tunisia, Italy, Croatia | Operating | 3,579 km | 33.5 bcm/y | 1 | 1983 |
| Trans-Mediterranean Gas PipelineLaghouat → Tébessa | Algeria | Operating | 548 km | 8.84 bcm/y | 1 | 1983 |
| Trans-Mediterranean Gas PipelineLaghouat → Tébessa | Algeria | Operating | 548 km | 15.8 bcm/y | 1 | 1986 |
| Trans-Mediterranean Gas PipelineLaghouat → Tébessa | Algeria | Operating | 548 km | 8 bcm/y | 1 | 2010 |
| Trans-Mediterranean Gas PipelineTébessa → Cap Bon | Algeria, Tunisia | Operating | 370 km | Not reported | 1 | 1983 |
| Trans-Mediterranean Gas PipelineCap Bon → Mediterranean | Tunisia, Italy | Operating | 155 km | Not reported | 1 | — |
| Trans-Mediterranean Gas PipelineMediterranean → Strait of Messina | Italy | Operating | 355 km | Not reported | 1 | — |
| Trans-Mediterranean Gas PipelineTébessa → Cap Bon | Algeria, Tunisia | Operating | 0 km | Not reported | 1 | 1994 |
| Trans-Pecos Gas PipelineTexas → Texas | United States | Operating | 238 km | 14.3 bcm/y | 1 | 2017 |
| Trans-Sahara Gas Pipeline | Nigeria, Niger, Algeria | Shelved | 4,128 km | 30 bcm/y | 1 | 2030 |
| Trans-Territory PipelineNorthern Territory → Northern Territory | Australia | Cancelled | 940 km | 1.07 bcm/y | 1 | — |
| TransCameron PipelineLouisiana → Louisiana | United States | Operating | 39 km | 19.4 bcm/y | 1 | 2021 |
| TransColorado Gas PipelineColorado → New Mexico | United States | Operating | 499 km | 10.2 bcm/y | 1 | 1996 |
| TransGas PipelineSaskatchewan → Saskatchewan | Canada | Operating | 14,676 km | Not reported | 1 | 1988 |
| TransSakhalin Gas Pipeline SystemSakhalin Oblast → Sakhalin Oblast | Russia | Operating | 472 km | 25.3 bcm/y | 1 | 2008 |
| Transcontinental Gas PipelineTexas → New York | United States | Operating | 10,200 km | 172 bcm/y | 1 | 1950 |
| Transcontinental Gas PipelinePennsylvania → New York | United States | Cancelled | 80 km | 10.2 bcm/y | 1 | — |
| Transcontinental Gas PipelineNew Jersey → New Jersey | United States | Under construction | 0 km | 0.66 bcm/y | 1 | 2022 |
| Transcontinental Gas PipelineAlabama → Alabama | United States | Operating | 18 km | 2.11 bcm/y | 1 | 2020 |
| Transcontinental Gas PipelineAlabama → Alabama | United States | Proposed | 21 km | 1.08 bcm/y | 1 | 2026 |
| Transcontinental Gas PipelinePennsylvania → New York | United States | Cancelled | 60 km | 4.09 bcm/y | 1 | 2020 |
| Transcontinental Gas PipelinePennsylvania → New Jersey | United States | Proposed | 55 km | 10.7 bcm/y | 1 | 2023 |
| Transcontinental Gas PipelineLouisiana → Louisiana | United States | Operating | 83 km | 4.09 bcm/y | 1 | 2020 |
| Transcontinental Gas PipelineAlabama → Alabama | United States | Operating | 35 km | 8.36 bcm/y | 1 | 2017 |
| Transcontinental Gas Pipeline | United States | Cancelled | 1 km | 1.94 bcm/y | 1 | 2019 |
| Transcontinental Gas PipelineVirginia → Virginia | United States | Cancelled | 10 km | 2.5 bcm/y | 1 | 2023 |
| Transcontinental Gas PipelineVirginia → Louisiana | United States | Proposed | 13 km | 3.03 bcm/y | 1 | 2022 |
| Transcontinental Gas PipelineLouisiana → Texas | United States | Operating | 0 km | 4.85 bcm/y | 1 | 2019 |
| Transcontinental Gas Pipeline | United States | Cancelled | 395 km | Not reported | 1 | — |
| Transcontinental Gas PipelineTexas → Texas | United States | Operating | 0 km | 3.72 bcm/y | 1 | 2025 |
| Transcontinental Gas PipelineVirginia → North Carolina | United States | Proposed | 87 km | 15.3 bcm/y | 1 | 2027 |
| Transcontinental Gas PipelineAlabama → Alabama | United States | Operating | 3.2 km | 1.53 bcm/y | 1 | 2025 |
| Transcontinental Gas PipelineVirginia → Virginia | United States | Proposed | 0 km | 9.71 bcm/y | 1 | 2030 |
| Transcontinental Gas PipelineAlabama → Georgia | United States | Under construction | 0 km | 0.65 bcm/y | 1 | 2025 |
| Transcontinental Gas PipelineLouisiana → Louisiana | United States | Proposed | 0 km | 1.18 bcm/y | 1 | 2025 |
| Transcontinental Gas PipelineIllinois → Illinois | United States | Proposed | 26 km | 1.85 bcm/y | 1 | — |
| Transgas Pipeline | Canada | Proposed | 80 km | Not reported | 1 | 2026 |
| Transgas Pipeline | Canada | Proposed | 42 km | Not reported | 1 | — |
| Transitgas Gas PipelineAargau → Verbano-Cusio-Ossola | Switzerland | Operating | 293 km | 15.7 bcm/y | 1 | 1974 |
| Transitgas–Laneuvelotte–Obergailbach Gas Pipeline | France, Switzerland | Operating | 327 km | Not reported | 1 | 2006 |
| TransmetanoSantander → Antioquia | Colombia | Operating | 190 km | 0.8 bcm/y | 1 | — |
| TransoccidenteValle del Cauca → Valle del Cauca | Colombia | Operating | 11 km | 0.76 bcm/y | 1 | — |
| Transwestern Gas PipelineNew Mexico → Texas-Oklahoma Panhandle, California, Arizona | United States | Operating | 4,345 km | 29 bcm/y | 1 | 1960 |
| Transwestern Gas PipelineTexas → Arizona | United States | Proposed | 830 km | 15.3 bcm/y | 1 | 2029 |
| Traverse Gas PipelineTexas → Texas | United States | Proposed | 258 km | 17.9 bcm/y | 1 | 2027 |
| Tri-State Corridor Pipeline ProjectPennsylvania → West Virgina | United States | Cancelled | 27 km | 1.43 bcm/y | 1 | 2021 |
| Trident Gas PipelineTexas → Texas | United States | Proposed | 348 km | 15.3 bcm/y | 1 | 2027 |
| Tripoli-Mellitah Gas PipelineTripoli → Mellitah | Libya | Operating | 158 km | 17 bcm/y | 1 | — |
| Troll–Kollsnes I Gas PipelineNorth Sea → North Sea | Norway | Operating | 66 km | Not reported | 1 | 1996 |
| Troll–Kollsnes II Gas PipelineNorth Sea → North Sea | Norway | Operating | 66 km | Not reported | 1 | 1997 |
| Troll–Kollsnes III Gas PipelineNorth Sea → North Sea | Norway | Operating | 66 km | Not reported | 1 | 2011 |
| Trunkline Gas PipelineTexas → Illinois, Indiana | United States | Operating | 3,932 km | 15.3 bcm/y | 1 | 1947 |
| Trunkline Gas PipelineMississippi → Louisiana | United States | Under construction | 29 km | 26.6 bcm/y | 1 | 2031 |
| Tsiteli Khidi-Akhalkalaki Gas Pipeline | Georgia | Operating | 196 km | Not reported | 1 | 1980 |
| Tubridgi Pipeline SystemWestern Australia → Western Australia | Australia | Mothballed | 87 km | 0.3 bcm/y | 1 | 1991 |
| Tula-Shostka-Kiev Gas Pipeline | Russia, Ukraine | Operating | 490 km | Not reported | 1 | 1989 |
| Tula-Torzhok Gas PipelineTula Oblast → Tver Oblast | Russia | Operating | 403 km | Not reported | 1 | 1995 |
| Tula-Villa de Reyes Gas PipelineSan Luis Potosí → Querétaro | Mexico | Operating | 206 km | 9.05 bcm/y | 1 | 2022 |
| Tula-Villa de Reyes Gas PipelineHidalgo → Querétaro | Mexico | Under construction | 110 km | 9.05 bcm/y | 1 | — |
| Tula-Villa de Reyes Gas PipelineGuanajuato → Querétaro | Mexico | Operating | 120 km | 9.05 bcm/y | 1 | 2023 |
| Tunghsiao-Taoyuan Gas Pipeline | Taiwan | Proposed | 500 km | Not reported | 1 | — |
| Tungsiao-Datan Offshore Gas Pipeline 2Miaoli → Taoyuan | Taiwan | Proposed | 86 km | Not reported | 1 | — |
| Tungsten to Bobtail PipelineColorado → Colorado | United States | Operating | 24 km | Not reported | 1 | 2020 |
| Tunisia- Beja-Ad Dahmani Gas PipelineManuba → Béja | Tunisia | Operating | 74 km | Not reported | 1 | 2023 |
| Tunisia- Beja-Ad Dahmani Gas Pipeline | Tunisia | Under construction | 106 km | Not reported | 1 | — |
| Tunisia-Bizerte Gas PipelineManuba → Bizerte | Tunisia | Operating | 35 km | 0 bcm/y | 1 | 2023 |
| Tunisia-Bizerte Gas PipelineBizerte → Bizerte | Tunisia | Operating | 40 km | 0 bcm/y | 1 | 2023 |
| Tunisia-Bizerte Gas PipelineTunisia → Manuba | Tunisia | Operating | 35 km | 0 bcm/y | 1 | 2023 |
| Tunisia-Bizerte Gas PipelineBizerte → Boumerdès | Tunisia | Under construction | 50 km | 0 bcm/y | 1 | — |
| TurkStream Gas PipelineKrasnodar Krai → Kırklareli | Russia, Türkiye | Operating | 930 km | 15.8 bcm/y | 1 | 2020 |
| TurkStream Gas PipelineKrasnodar Krai → Kırklareli | Russia, Türkiye | Operating | 930 km | 15.8 bcm/y | 1 | 2020 |
| Turkey-Greece-Italy Interconnector Gas Pipeline (ITGI)Bursa → Rhodope | Türkiye, Greece | Operating | 296 km | 11 bcm/y | 1 | 2007 |
| Turkmenistan-Afghanistan-Pakistan-India Gas PipelineAhal → Punjab | Turkmenistan, Afghanistan, Pakistan, India | Under construction | 1,814 km | 33 bcm/y | 1 | — |
| Tuscarora Gas PipelineOregon → Nevada | United States | Operating | 491 km | 2.35 bcm/y | 1 | 1995 |
| Tuscarora Gas PipelineOregon → Nevada | United States | Operating | 0 km | 0.15 bcm/y | 1 | 2021 |
| Tuxpan-Tula Gas PipelineVeracruz → Veracruz | Mexico | Operating | 114 km | 9.05 bcm/y | 1 | 2022 |
| Tuxpan-Tula Gas PipelineVeracruz → Hidalgo | Mexico | Under construction | 200 km | 9.05 bcm/y | 1 | — |
| Tuymazy-Ufa Gas PipelineRepublic of Bashkortostan → Republic of Bashkortostan | Russia | Operating | 174 km | Not reported | 1 | 1953 |
| Tworzen–Cieszyn Gas Pipeline | Poland | Operating | 92 km | Not reported | 1 | — |
| Tworóg-Tworzen Gas Pipeline | Poland | Operating | 55 km | Not reported | 1 | 2021 |
| Tworórog-Kędzierzyn Gas Pipeline | Poland | Operating | 43 km | Not reported | 1 | 2020 |
| Tyonek Gas PipelineAlaska → Alaska | United States | Operating | 82 km | Not reported | 1 | 1968 |
| Tyra West Gas Pipeline–F3 Gas PipelineNorth Sea → North Sea | Denmark, Netherlands | Operating | 100 km | 5.5 bcm/y | 1 | 2004 |
| Tyukalinsk-Valuevskaya-Nalimovskaya-Nazyvaevsk Gas PipelineOmsk Oblast → Omsk Oblast | Russia | Under construction | 98 km | 0.04 bcm/y | 1 | 2023 |
| Türkiye-Syria Natural Gas Pipeline | Syria, Türkiye | Operating | 93 km | 2 bcm/y | 1 | 2025 |
| UA-1-km199-Uthmaniya Gas Pipeline | Saudi Arabia | Operating | 108 km | Not reported | 1 | — |
| UBTG-1-Berri 2 Gas Pipeline | Saudi Arabia | Operating | 247 km | Not reported | 1 | — |
| UBTG-1-Berri Gas Pipeline | Saudi Arabia | Operating | 249 km | Not reported | 1 | — |
| UBTG-1-km0-UBTG-1-km56 2 Gas Pipeline | Saudi Arabia | Operating | 56 km | Not reported | 1 | — |
| UBTG-1-km0-UBTG-1-km56 Gas Pipeline | Saudi Arabia | Operating | 56 km | Not reported | 1 | — |
| UBTG-1km-Juanymah Gas Pipeline | Saudi Arabia | Operating | 204 km | Not reported | 1 | — |
| UBTG-km56-AY-1 KP916 Gas Pipeline | Saudi Arabia | Operating | 244 km | Not reported | 1 | — |
| UK-Ireland Interconnector | United Kingdom, Ireland | Operating | 187 km | 6.21 bcm/y | 1 | 1993 |
| UK-Ireland Interconnector | United Kingdom, Ireland | Operating | 0 km | Not reported | 1 | 2024 |
| UK-Ireland Interconnector 2 | United Kingdom, Ireland | Operating | 195 km | 8.4 bcm/y | 1 | 2002 |
| UTOS Gas PipelineGulf of Mexico → Louisiana | United States | Idle | 47 km | 20.4 bcm/y | 1 | 1978 |
| Ubeta Node-Rumuji Gas Pipeline | Nigeria | Operating | 34 km | 7.23 bcm/y | 1 | — |
| Uganda Tanzania Pipeline | Uganda, Tanzania | Shelved | 1,275 km | Not reported | 1 | 2021 |
| Ukanafun-Calabar Gas PipelineAkwa Ibom → Cross River | Nigeria | Operating | 128 km | 1.23 bcm/y | 1 | 2017 |
| Ukhta-Cheboksary Gas PipelineRepublic of Komi → Republic of Chuvashia | Russia | Shelved | 920 km | 37 bcm/y | 1 | — |
| Ukhta-Torzhok (Vuktyl) Gas PipelineRepublic of Komi → Tver Oblast | Russia | Operating | 1,332 km | Not reported | 1 | 1969 |
| Ukhta-Torzhok (Vuktyl) Gas PipelineRepublic of Komi → Tver Oblast | Russia | Operating | 1,333 km | Not reported | 1 | 1975 |
| Ukhta-Torzhok (Vuktyl) Gas PipelineRepublic of Komi → Tver Oblast | Russia | Operating | 1,332 km | Not reported | 1 | 1978 |
| Ukhta-Torzhok (Yamal) 2 Gas PipelineRepublic of Komi → Vologda Oblast | Russia | Operating | 970 km | 45 bcm/y | 1 | 2018 |
| Ukhta-Torzhok (Yamal) 3 Gas PipelineRepublic of Komi → Vologda Oblast | Russia | Proposed | 973 km | 45 bcm/y | 1 | 2024 |
| Ukhta-Torzhok (Yamal) 4 Gas PipelineRepublic of Komi → Vologda Oblast | Russia | Proposed | 973 km | Not reported | 1 | — |
| Ukhta-Torzhok (Yamal) Gas PipelineRepublic of Komi → Vologda Oblast | Russia | Operating | 970 km | 45 bcm/y | 1 | 2012 |
| Ule-Amuay Gas Pipeline | Venezuela | Operating | 357 km | 2.56 bcm/y | 1 | 1969 |
| Ulm–Lindau Gas Pipeline | Germany | Operating | 121 km | Not reported | 1 | — |
| Umag-Plovanija-Koper Gas Pipeline | Croatia, Slovenia | Cancelled | 8 km | 0.58 bcm/y | 1 | 2029 |
| Umm Shaif–Das Island Gas PipelineAbu Dhabi → Persian Gulf | United Arab Emirates | Operating | 35 km | Not reported | 1 | — |
| Umm Shaif–Das Island Gas PipelineAbu Dhabi → Persian Gulf | United Arab Emirates | Operating | 38 km | Not reported | 1 | — |
| Upper Tyrrhenian Sea Gas Pipeline | Italy | Proposed | 35 km | Not reported | 1 | 2026 |
| Uquo-Oron Pipeline | Nigeria | Operating | 37 km | Not reported | 1 | — |
| Urengoy-Center Gas PipelineYamalo-Nenets Autonomous Okrug → Tambov Oblast | Russia | Operating | 3,211 km | 32.5 bcm/y | 1 | 1984 |
| Urengoy-Center Gas PipelineYamalo-Nenets Autonomous Okrug → Tambov Oblast | Russia | Operating | 3,035 km | 32.5 bcm/y | 1 | 1985 |
| Urengoy-Chelyabinsk Gas PipelineYamalo-Nenets Autonomus Okrug → Chelyabinsk Oblast | Russia | Operating | 1,780 km | 58 bcm/y | 1 | 1979 |
| Urengoy-Chelyabinsk Gas PipelineChelyabinsk region → Chelyabinsk Oblast | Russia | Operating | 63 km | Not reported | 1 | 1977 |
| Urengoy-Novopskov Gas PipelineYamalo-Nenets Autonomous Okrug → Luhansk | Russia, Ukraine | Operating | 3,609 km | 31 bcm/y | 1 | 1982 |
| Urengoy-Petrovsk Gas PipelineYamalo-Nenets Autonomous Okrug → Saratov Oblast | Russia | Operating | 2,733 km | 32 bcm/y | 1 | 1983 |
| Urengoy-Pomary-Uzhgorod Gas PipelineYamalo-Nenets Autonomous Okrug → Zakarpattia Oblast | Russia, Ukraine | Operating | 4,451 km | 32 bcm/y | 1 | 1983 |
| Urucu-Manaus Gas PipelineAmazonas → Amazonas | Brazil | Operating | 663 km | 2.45 bcm/y | 1 | 2009 |
| Urucu-Manaus Gas PipelineAmazonas → Amazonas | Brazil | Cancelled | 140 km | 0.73 bcm/y | 1 | — |
| Urucu-Manaus Gas PipelineAmazonas → Rondônia | Brazil | Cancelled | 523 km | 0.73 bcm/y | 1 | — |
| Uruguaiana-Porto Alegre Gas PipelineRio Grande do Sul → Rio Grande do Sul | Brazil | Proposed | 593 km | 5.48 bcm/y | 1 | — |
| Uruguaiana-Porto Alegre Gas PipelineRio Grande do Sul → Rio Grande do Sul | Brazil | Operating | 25 km | 1.02 bcm/y | 1 | — |
| Uruguaiana-Porto Alegre Gas PipelineRio Grande do Sul → Rio Grande do Sul | Brazil | Operating | 25 km | 0.44 bcm/y | 1 | — |
| Ust-Kamovskaya - Lesosibirsk - Achinsk Gas Pipeline | Russia | Cancelled | 726 km | Not reported | 1 | — |
| Ustyuzhna Gas PipelineVologda Oblast → Vologda Oblast | Russia | Proposed | 80 km | 0.55 bcm/y | 1 | — |
| Utsunomiya Pipeline | Japan | Operating | 46 km | Not reported | 1 | 1976 |
| Uzhgorod–Velke Kapusany Gas Pipeline | Ukraine, Slovakia | Operating | 15 km | 72.2 bcm/y | 1 | — |
| Uzhhorod-Berehove Gas Pipeline | Ukraine | Operating | 53 km | 13 bcm/y | 1 | — |
| VIM - InteriorCórdoba → Boyacá | Colombia | Proposed | 300 km | 1.02 bcm/y | 1 | 2027 |
| VNG InterconnectVirginia → Virginia | United States | Cancelled | 39 km | Not reported | 1 | — |
| Valchi Dol–Preselka Pipeline | Bulgaria | Operating | 23 km | Not reported | 1 | 1975 |
| Valchi Dol–Preselka Pipeline | Bulgaria | Operating | 23 km | Not reported | 1 | 2022 |
| Valdai-Pskov-Riga Gas PipelineNovgorod Oblast → Latvia | Russia, Estonia, Latvia | Operating | 365 km | 2.7 bcm/y | 1 | 1972 |
| Vale-Vani Gas Pipeline | Georgia | Shelved | 70 km | 8 bcm/y | 1 | 2023 |
| Valenca Do Minho–Braga Gas Pipeline | Portugal | Operating | 55 km | Not reported | 1 | — |
| Valença do Minho-Braga Pipeline | Portugal | Operating | 75 km | Not reported | 1 | — |
| Valladolid–Aranda Gas Pipeline | Spain | Operating | 87 km | Not reported | 1 | 1990 |
| Valles Calchaquíes Gas PipelineSalta → Salta | Argentina | Proposed | 197 km | 0.18 bcm/y | 1 | — |
| Valley Crossing PipelineTexas → Texas | United States | Operating | 275 km | 26.6 bcm/y | 1 | 2019 |
| Valley Crossing Pipeline | United States | Proposed | 0 km | 7.36 bcm/y | 1 | 2026 |
| Valley Crossing Pipeline | United States | Proposed | 16 km | 0 bcm/y | 1 | 2026 |
| Valley Expansion PipelineNorth Dakota → Minnesota | United States | Operating | 60 km | 0.34 bcm/y | 1 | 2018 |
| Vanadzor-Gyumri Gas Pipeline | Armenia | Operating | 58 km | 0 bcm/y | 1 | 1963 |
| Vargashi-Lebyazhye Gas PipelineKurgan Oblast → Kurgan Oblast | Russia | Proposed | 49 km | Not reported | 1 | — |
| Varna-Oryahovo Gas Pipeline | Bulgaria | Shelved | 844 km | 42.6 bcm/y | 1 | 2022 |
| Varosfoeld–Bata Gas Pipeline | Hungary | Operating | 151 km | Not reported | 1 | — |
| Varska–Rakvere Gas Pipeline | Estonia | Operating | 198 km | Not reported | 1 | — |
| Vastogirardi-Oricola Gas Pipeline | Italy | Operating | 139 km | Not reported | 1 | 1993 |
| Vastogirardi-Oricola Gas Pipeline | Italy | Operating | 139 km | Not reported | 1 | — |
| Vecses-Kecskemet Gas Pipeline | Slovakia | Operating | 76 km | Not reported | 1 | — |
| Vecsés-Városföld transit line | Hungary | Proposed | 80 km | Not reported | 1 | 2022 |
| Vector Gas PipelineIllinois → Ontario | United States, Canada | Operating | 560 km | 17.8 bcm/y | 1 | 2000 |
| Vector Gas PipelineMichigan → Michigan | United States | Operating | 2 km | 1.84 bcm/y | 1 | 2021 |
| Vector Gas PipelineMichigan → Wisconsin | United States | Operating | 0 km | 3.88 bcm/y | 1 | 2022 |
| Vega Pléyade Gas PipelineTierra del Fuego → Tierra del Fuego | Argentina | Operating | 77 km | 3.65 bcm/y | 1 | 2016 |
| Velke Zlievce–Ozdany Gas Pipeline | Slovakia | Operating | 48 km | Not reported | 1 | — |
| Vergara-Irun Gas Pipeline | Spain | Operating | 89 km | Not reported | 1 | 1984 |
| Vergara-Irun Gas Pipeline | Spain | Operating | 0 km | Not reported | 1 | 2007 |
| Veruno-Bizzarone Gas Pipeline | Italy | Operating | 48 km | Not reported | 1 | 1976 |
| Veseli Nad Luznici–Hostim Gas Pipeline | Czechia | Operating | 92 km | Not reported | 1 | — |
| Vesterled Gas PipelineNorth Sea → United Kingdom | Norway, United Kingdom | Operating | 360 km | 13.5 bcm/y | 1 | 1978 |
| Victoria Energy Terminal Gas PipelineVictoria → Victoria | Australia | Proposed | 19 km | Not reported | 1 | 2028 |
| Victorian Transmission SystemVictoria → Victoria | Australia | Operating | 2,035 km | 10.3 bcm/y | 1 | 1969 |
| Victorian Transmission SystemVictoria → Victoria | Australia | Operating | 51 km | Not reported | 1 | 2023 |
| Vicuñas Gas PipelineJujuy → Catamarca | Argentina | Proposed | 304 km | 1.46 bcm/y | 1 | 2027 |
| Vigasio–Trento Gas Pipeline | Italy | Operating | 94 km | Not reported | 1 | 1973 |
| Vijaipur-Auraiya-Pulphur Gas PipelineGujarat → Uttar Pradesh | India | Operating | 667 km | 3.2 bcm/y | 1 | 2022 |
Length is GEM's reported figure where given. When every segment of a project repeats the same figure it is counted once, not summed; see methodology.