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 1801–2100 of 4246 pipelines, sorted by name. The filters below apply to this page.
| Countries | Segments | |||||
|---|---|---|---|---|---|---|
| Jilin Gas Pipeline NetworkJilin → Jilin | China | Proposed | 160 km | 0.22 bcm/y | 1 | — |
| Jilin Gas Pipeline NetworkJilin → Jilin | China | Proposed | 385 km | 0.32 bcm/y | 1 | — |
| Jilin Gas Pipeline NetworkJilin → Jilin | China | Proposed | 1,162 km | Not reported | 1 | — |
| Jilin Gas Pipeline NetworkJilin → Jilin | China | Proposed | 1,162 km | Not reported | 1 | — |
| Jirkov–Hospozin Gas Pipeline | Czechia | Operating | 60 km | Not reported | 1 | — |
| Johan Sverdrup Gas Pipeline | Norway | Operating | 156 km | Not reported | 1 | 2019 |
| Joso Gas Pipeline | Japan | Operating | 26 km | Not reported | 1 | 1988 |
| Juana Azurduy Gas PipelineTarija → Salta | Bolivia, Argentina | Operating | 52 km | 0.28 bcm/y | 1 | 2011 |
| Juaymah-Jubail Gas PipelineEastern Province → Eastern Province | Saudi Arabia | Operating | 56 km | 8.38 bcm/y | 1 | — |
| Jubilee–Atuabo Gas Pipeline | Ghana | Operating | 59 km | Not reported | 1 | 2019 |
| Judith Gas PipelineVictoria → Victoria | Australia | Proposed | 40 km | 0.82 bcm/y | 1 | — |
| Judith Gas PipelineVictoria → Victoria | Australia | Proposed | 11 km | 0.82 bcm/y | 1 | — |
| Jáltipan-Salina Cruz Gas PipelineVeracruz → Oaxaca | Mexico | Operating | 247 km | 0.92 bcm/y | 1 | 2014 |
| KEK Sei Mangke - Dumai Gas PipelineNorth Sumatra → Riau | Indonesia | Proposed | 386 km | Not reported | 1 | 2027 |
| KG Basin Gas Pipeline | India | Operating | 878 km | 5.84 bcm/y | 1 | 1991 |
| KOC Strategic Gas Pipeline | Kuwait | Operating | 114 km | 9.2 bcm/y | 1 | 2023 |
| KOC Strategic Gas Pipeline | Kuwait | Operating | 15 km | 9.2 bcm/y | 1 | 2023 |
| KOC Strategic Gas PipelineAl Ahmadi → Al Ahmadi | Kuwait | Operating | 15 km | 9.2 bcm/y | 1 | 2023 |
| KPC Gas PipelineOklahoma → Kansas | United States | Operating | 1,817 km | 1.64 bcm/y | 1 | 1995 |
| Kadanwari-Malir-Karachi Gas PipelineSindh → Sindh | Pakistan | Operating | 412 km | 1.84 bcm/y | 1 | — |
| Kailashtila-Kuchai Gas Pipeline | Bangladesh | Operating | 13 km | 0.63 bcm/y | 1 | 1998 |
| Kaitei Trunk Line | Japan | Operating | 26 km | Not reported | 1 | 1977 |
| Kakinada-Haldia Gas PipelineAndhra Pradesh → West Bengal | India | Cancelled | 916 km | Not reported | 1 | — |
| Kakinada-Srikakulam Gas PipelineAndhra Pradesh → Andhra Pradesh | India | Proposed | 239 km | 7.3 bcm/y | 1 | — |
| Kakinada-Vijayawada-Nellore Gas PipelineEast Godavari → Tamil Nadu | India | Under construction | 667 km | 6.57 bcm/y | 1 | 2024 |
| Kakinada-Vizag-Srikakulam Gas PipelineEast Godavari → Andhra Pradesh | India | Cancelled | 275 km | 32.9 bcm/y | 1 | — |
| Kalce-Kastav Gas Pipeline | Slovenia, Croatia | Shelved | 63 km | Not reported | 1 | 2024 |
| Kalce-Škofja Loka Gas Pipeline | Slovenia | Proposed | 29 km | Not reported | 1 | 2026 |
| Kalgoorlie to Kambalda PipelineWestern Australia → Western Australia | Australia | Operating | 44 km | 0.26 bcm/y | 1 | 1996 |
| Kalgoorlie to Kambalda PipelineWestern Australia → Western Australia | Australia | Operating | 44 km | 0.26 bcm/y | 1 | 1996 |
| Kalija Gas Pipeline | Indonesia | Operating | 207 km | 1.53 bcm/y | 1 | 2015 |
| Kalija II Gas PipelineEast Kalimantan → Central Java | Indonesia | Proposed | 1,200 km | Not reported | 1 | — |
| Kalle-Werne Gas Pipeline | Germany | Operating | 112 km | Not reported | 1 | — |
| Kambalda to Esperance Pipeline | Australia | Operating | 342 km | 0.06 bcm/y | 1 | 1996 |
| Kanai Chhata-Panitar Gas PipelineWest Bengal → West Bengal | India | Under construction | 317 km | 7.01 bcm/y | 1 | 2024 |
| Kanai Chhata-Shrirampur Gas PipelineWest Bengal → Maharashtra | India | Cancelled | 250 km | 7.01 bcm/y | 1 | 2023 |
| Kanbauk-Daw Nyein-Kyaiklat Gas Pipeline | Myanmar | Shelved | 370 km | Not reported | 1 | 2024 |
| Kandang Haur Timur - Cilamaya Gas Pipeline IWest Java → West Java | Indonesia | Operating | 59 km | 0.92 bcm/y | 1 | — |
| Kandang Haur Timur - Cilamaya Gas Pipeline IIWest Java → West Java | Indonesia | Operating | 59 km | 1.53 bcm/y | 1 | — |
| Kandhkot Gas PipelineSindh → Sindh | Pakistan | Operating | 55 km | Not reported | 1 | — |
| Karacabey-Izmit Gas Pipeline | Türkiye | Operating | 233 km | Not reported | 1 | — |
| Karachaganak-Uralsk Gas Pipeline | Kazakhstan | Operating | 152 km | 0.5 bcm/y | 1 | 2011 |
| Karachaganak-Uralsk Gas PipelineWest Kazakhstan → West Kazakhstan | Kazakhstan | Proposed | 145 km | Not reported | 1 | 2028 |
| Karachi–Sawan Gas PipelineSindh → Sindh | Pakistan | Operating | 371 km | 12.3 bcm/y | 1 | 2018 |
| Karadaghi-Tbilisi Gas Pipeline Pipeline | Georgia | Operating | 46 km | 1.46 bcm/y | 1 | — |
| Karasuk-Bagan-Kupino-Chistoozernoe-Chany Gas PipelineNovosibirsk Oblast → Novosibirsk Oblast | Russia | Proposed | 207 km | Not reported | 1 | 2025 |
| Karbla Gas Pipeline | Iraq | Under construction | Not reported | Not reported | 1 | — |
| Kardam–Negru Voda Gas Pipeline | Bulgaria | Operating | 12 km | 1.8 bcm/y | 1 | — |
| Karlsruhe-Basel Gas Pipeline | Germany | Operating | 201 km | Not reported | 1 | — |
| Karlsruhe-Ulm Gas Pipeline | Germany | Operating | 158 km | Not reported | 1 | — |
| Karperi-Komotini Gas Pipeline | Greece | Proposed | 215 km | 3 bcm/y | 1 | 2027 |
| Karperi–Ampelia Gas Pipeline | Greece | Operating | 181 km | Not reported | 1 | — |
| Karratha to Cape Lambert PipelineWestern Australia → Western Australia | Australia | Operating | 57 km | 0.95 bcm/y | 1 | 1984 |
| Kartaly-Magnitogorsk Gas PipelineChelyabinsk region → Chelyabinsk Oblast | Russia | Operating | 150 km | 4.8 bcm/y | 1 | 1963 |
| Kartaly-Magnitogorsk Gas PipelineChelyabinsk region → Chelyabinsk Oblast | Russia | Operating | 150 km | 4.8 bcm/y | 1 | 1966 |
| Kartaly-Rudny-Kostanai Gas PipelineChelyabinsk region → Kostanai | Kazakhstan, Russia | Operating | 156 km | 5.36 bcm/y | 1 | 1965 |
| Kashima Area High-Pressure Distribution PipelineKantō → Kantō | Japan | Operating | 0.9 km | Not reported | 1 | 2012 |
| Kasimovskoye UGS-KS Voskresensk Gas PipelineRyazan Oblast → Moscow Oblast | Russia | Operating | 204 km | 2.7 bcm/y | 1 | 2009 |
| Kateřinský Potok Junction Point–Přimda Junction Point Gas Pipeline | Czechia, Germany | Operating | 150 km | 27.5 bcm/y | 1 | 2021 |
| Katherine to Gove Gas PipelineNorthern Territory → Northern Territory | Australia | Cancelled | 603 km | 0.9 bcm/y | 1 | — |
| Kauther-Fahud Gas PipelineAd Dakhiliyah → Ad Dakhiliyah | Oman | Operating | 85 km | Not reported | 1 | 2009 |
| Kawasan Industri Medan (KIM) – Kawasan Ekonomi Khusus (KEK) Sei Mangke Gas PipelineNorth Sumatra → North Sumatra | Indonesia | Operating | 127 km | Not reported | 1 | — |
| Kawchi Pipeline | Japan | Operating | 14 km | Not reported | 1 | 1978 |
| Kazan-Gorky Gas PipelineRepublic of Tatarstan → Nizhny Novgorod Oblast | Russia | Operating | 386 km | Not reported | 1 | 1958 |
| Keihin Gas Pipeline | Japan | Operating | 40 km | Not reported | 1 | 1999 |
| Keiji Gas Pipeline | Japan | Operating | 46 km | Not reported | 1 | 2003 |
| Kelif-Dushanbe Gas Pipeline | Uzbekistan, Turkmenistan, Tajikistan | Operating | 300 km | Not reported | 1 | 1975 |
| Kelif-Mubarek Gas Pipeline | Uzbekistan, Turkmenistan | Operating | 253 km | Not reported | 1 | — |
| Kenai Beluga PipelineAlaska → Alaska | United States | Operating | 26 km | Not reported | 1 | — |
| Kenai Beluga PipelineAlaska → Alaska | United States | Operating | 28 km | Not reported | 1 | — |
| Kenai Beluga PipelineAlaska → Alaska | United States | Operating | 74 km | Not reported | 1 | 2006 |
| Kenai Beluga PipelineAlaska → Alaska | United States | Operating | 43 km | Not reported | 1 | 1972 |
| Kenai-Anchorage Gas PipelineAlaska → Alaska | United States | Operating | 113 km | Not reported | 1 | 1961 |
| Kern River Gas PipelineWyoming → California | United States | Operating | 2,763 km | 22.2 bcm/y | 1 | 1991 |
| Kern River Gas PipelineUtah → Utah | United States | Operating | 58 km | 1.43 bcm/y | 1 | 2024 |
| Khafji Gas PipelineKhafji → Khafji | Kuwait | Operating | 10 km | 0.41 bcm/y | 1 | 2021 |
| Khafji Gas Pipeline | Kuwait | Operating | 4 km | 0.41 bcm/y | 1 | 2023 |
| Khafji Gas Pipeline | Kuwait | Operating | 47 km | 0.41 bcm/y | 1 | 2023 |
| Khafji Gas Pipeline | Kuwait | Operating | 58 km | 0.41 bcm/y | 1 | 2023 |
| Khafji Offshore-Khafji Onshore Gas Pipeline | Kuwait | Operating | 109 km | Not reported | 1 | — |
| Kharabali-Akhtubinsk 2-Akhtubinsk 1 Gas PipelineAstrakhan region → Astrakhan Oblast | Russia | Proposed | 180 km | 0.74 bcm/y | 1 | — |
| Kharasaveyskoye–Bovanenkovskoye Gas PipelineYamalo-Nenets Autonomus Okrug → Yamalo-Nenets Autonomus Okrug | Russia | Under construction | 106 km | 32 bcm/y | 1 | 2024 |
| Khashuri-Zestaponi Gas Pipeline | Georgia | Proposed | 70 km | Not reported | 1 | 2026 |
| Khazzan-Saih Nihayda Gas PipelineAl Dhahirah → Ad Dakhiliyah | Oman | Operating | 60 km | 12.3 bcm/y | 1 | 2017 |
| Khenguet Sidi Nadji Gas PipelineBiskra → Biskra | Algeria | Operating | 28 km | Not reported | 1 | 2008 |
| Khoms-Melita PipelineMurqub → Melita Port | Libya | Operating | 25 km | 2 bcm/y | 1 | — |
| Khoms-Tripoli Gas Pipeline | Libya | Operating | 201 km | 17.1 bcm/y | 1 | — |
| Khor Al-Zubair-Hartha Gas PipelineBasrah → Basra | Iraq | Operating | 77 km | 4.8 bcm/y | 1 | — |
| Khor Al-Zubair-Shatt Al Arab Gas PipelineBasrah → Basrah | Iraq | Operating | 40 km | 2.04 bcm/y | 1 | — |
| Khormor-Erbil Gas PipelineKurdistan → Kurdistan | Iraq | Under construction | 140 km | Not reported | 1 | — |
| Khormor-Jambur-Kirkuk Gas PipelineSulaymaniyah → Kirkuk | Iraq | Operating | 1.1 km | 1.02 bcm/y | 1 | 1980 |
| Khormor-Pirdawood PP Gas PipelineSulaymaniyah → Erbil | Iraq | Operating | 180 km | 3.4 bcm/y | 1 | 2008 |
| Khulna-Bagerhat-Pirojpur-Jhalokathi-Barishal Gas Transmission Pipeline Project | Bangladesh | Shelved | 110 km | Not reported | 1 | 2035 |
| Khulna-Gopalgonj-Tekerhat Gas Transmission Pipeline | Bangladesh | Shelved | 77 km | Not reported | 1 | 2029 |
| Kicevo-Ohrid Gas Pipeline | North Macedonia | Proposed | 48 km | Not reported | 1 | — |
| Kiefersfelden–Finsing Gas Pipeline | Germany | Operating | 75 km | Not reported | 1 | — |
| Kiili–Tallinn Gas Pipeline | Estonia | Operating | 17 km | Not reported | 1 | — |
| Kincora to Wallumbilla PipelineQueensland → Queensland | Australia | Operating | 53 km | 0.3 bcm/y | 1 | 1977 |
| Kinetica Energy ExpressLouisiana → Louisiana | United States | Operating | 1,139 km | Not reported | 1 | 1960 |
| Kinki Trunk Line Bay LineOsaka → Hachijō | Japan | Operating | 21 km | Not reported | 1 | 2000 |
| Kinki Trunk Line No. 1 East LineOsaka → Osaka | Japan | Operating | 109 km | Not reported | 1 | 1972 |
| Kinki Trunk Line No. 1 West Line | Japan | Retired | Not reported | Not reported | 1 | 1970 |
| Kinki Trunk Line No. 2 East Line | Japan | Operating | 92 km | Not reported | 1 | 1978 |
| Kinki Trunk Line No. 2 West Line | Japan | Operating | 158 km | Not reported | 1 | 1989 |
| Kinki Trunk Line No. 3 West Line | Japan | Operating | 73 km | Not reported | 1 | 1994 |
| Kipi-Komotini Pipeline | Türkiye, Greece | Operating | 87 km | Not reported | 1 | — |
| Kisarazu Rinkai Gas Pipeline | Japan | Operating | 8.6 km | Not reported | 1 | 2015 |
| Kisarazu Rinkai Gas Pipeline | Japan | Operating | 8 km | Not reported | 1 | 2008 |
| Kitakyushu Gas Pipeline | Japan | Operating | 6.7 km | Not reported | 1 | 2004 |
| Klechovce-Negotino Gas Pipeline | North Macedonia | Operating | 61 km | Not reported | 1 | 2016 |
| Km-81.5-Brega Gas Pipeline | Libya | Operating | 132 km | 8.5 bcm/y | 1 | — |
| Km-91.5-Brega Gas Pipeline | Libya | Operating | 184 km | 21.2 bcm/y | 1 | — |
| Knarr Gas Pipeline | Norway | Retired | 106 km | 0.62 bcm/y | 1 | 2015 |
| Kneginec–Varaždin II Gas Pipeline | Croatia | Operating | 8 km | 0.54 bcm/y | 1 | 2020 |
| Kobryn-Brest-Warsaw Gas Pipeline | Belarus, Poland | Operating | 263 km | 10 bcm/y | 1 | 1985 |
| Kochi-Koottanad-Bangalore-Mangalore Gas PipelineKerala → Kerala | India | Operating | 44 km | 5.84 bcm/y | 1 | 2019 |
| Kochi-Koottanad-Bangalore-Mangalore Gas Pipeline | India | Under construction | 1,060 km | 5.84 bcm/y | 1 | 2022 |
| Kofu Gas Pipeline | Japan | Operating | 72 km | Not reported | 1 | 2003 |
| Koga-Moka Gas Pipeline | Japan | Operating | 50 km | Not reported | 1 | 2017 |
| Kogoshima Hayato Gas Pipeline | Japan | Operating | 5.8 km | Not reported | 1 | 1991 |
| Kogoshima Hayato Gas Pipeline | Japan | Operating | 10 km | Not reported | 1 | 1978 |
| Kohat-Nowshera Gas PipelineKhyber Pakhtunkhwa → Khyber Pakhtunkhwa | Pakistan | Operating | 86 km | Not reported | 1 | — |
| Kohtala-Jarve-Vuli Gas Pipeline | Estonia | Operating | 64 km | Not reported | 1 | — |
| Kohtla-Järve-Leningrad Gas PipelineEstonia → Leningrad Oblast | Estonia, Russia | Operating | 203 km | 5.4 bcm/y | 1 | 1948 |
| Kohtla-Järve-Leningrad Gas PipelineEstonia → Leningrad Oblast | Estonia, Russia | Operating | 114 km | 5.4 bcm/y | 1 | 1959 |
| Kokshamary Gas PipelineMari El Republic → Mari El Republic | Russia | Operating | 31 km | 0.21 bcm/y | 1 | 2022 |
| Komarno-Drozdovychi Gas Pipeline | Ukraine | Operating | 80 km | 8 bcm/y | 1 | — |
| Komotini-Thesprotia Gas Pipeline | Greece | Cancelled | 620 km | Not reported | 1 | 2025 |
| Komsomolsk-Surgut-Chelyabinsk Gas PipelineYamalo-Nenets Autonomus Okrug → Chelyabinsk Oblast | Russia | Operating | 1,780 km | Not reported | 1 | 1978 |
| Kondalapalli-Tirupati Gas PipelineAndhra Pradesh → Andhra Pradesh | India | Cancelled | 450 km | 1.46 bcm/y | 1 | — |
| Konya-Izmir Gas Pipeline | Türkiye | Operating | 865 km | Not reported | 1 | 2007 |
| Konya-Kirsehir Gas Pipeline | Türkiye | Operating | 227 km | Not reported | 1 | — |
| Koriyama North Gas Pipeline | Japan | Operating | 12 km | Not reported | 1 | 2015 |
| Korpeje-Kordkuy Gas Pipeline | Turkmenistan, Iran | Operating | 197 km | 8 bcm/y | 1 | 1997 |
| Kosovo-North Macedonia Gas Pipeline | Kosovo, North Macedonia | Cancelled | 21 km | 1.59 bcm/y | 1 | 2024 |
| Kot Momin-Jauharabad Gas PipelinePunjab → Punjab | Pakistan | Operating | 72 km | Not reported | 1 | — |
| Kovykta-Sayansk-Irkutsk Gas PipelineIrkutsk region → Irkutsk Oblast | Russia | Proposed | 660 km | 2.5 bcm/y | 1 | 2028 |
| Kovykta-Sayansk-Irkutsk Gas PipelineIrkutsk region → Irkutsk Oblast | Russia | Proposed | 112 km | 0 bcm/y | 1 | 2025 |
| Kozhasai-KS12 Gas Pipeline | Kazakhstan | Operating | 168 km | Not reported | 1 | 2017 |
| Kramatorsk-Donetsk-Mariupol Gas PipelineDonetsk Oblast → Donetsk Oblast | Ukraine | Operating | 186 km | Not reported | 1 | 1999 |
| Krapa-Manjiwala Gas PipelineKhyber Pakhtunkhwa → Khyber Pakhtunkhwa | Pakistan | Operating | 84 km | Not reported | 1 | — |
| Krasnodar Krai-Serpukhov Gas PipelineKrasnodar Krai → Moscow Oblast | Russia | Operating | 1,177 km | Not reported | 1 | 1961 |
| Krasnodar Krai-Serpukhov Gas PipelineKrasnodar Krai → Moscow Oblast | Russia | Operating | 1,177 km | Not reported | 1 | 1961 |
| Krasny Most-Alaverdi Gas Pipeline | Armenia | Operating | 55 km | 0 bcm/y | 1 | 1964 |
| Krasny Most-Sevkar-Berd Gas Pipeline | Armenia | Operating | 62 km | 1.71 bcm/y | 1 | 1993 |
| Kremenchuk-Anan'iv-Bohorodchany Gas Pipeline | Ukraine | Operating | 532 km | 8.7 bcm/y | 1 | 1985 |
| Kresna-Piperevo Gas Pipeline | Bulgaria | Proposed | 85 km | Not reported | 1 | 2028 |
| Ksar El Hirane Gas PipelineLaghouat → Laghouat | Algeria | Operating | 20 km | Not reported | 1 | 2006 |
| Kssar Chellala Gas PipelineTiaret → Tiaret | Algeria | Operating | 21 km | Not reported | 1 | 2010 |
| Kuakata-PayraBarisal-Gopalganj-Pakirhat-Khulna Gas Transmission Pipeline | Bangladesh | Proposed | 250 km | Not reported | 1 | 2025 |
| Kuchai-Chhatak Gas Pipeline | Bangladesh | Operating | 39 km | 0.37 bcm/y | 1 | 1998 |
| Kuh Sefid–Charmshahr Gas PipelineQom → Tehran | Iran | Operating | 45 km | Not reported | 1 | 2006 |
| Kuhdasht–Pol-e-Dokhtar Gas PipelineLorestan → Lorestan | Iran | Operating | 50 km | Not reported | 1 | 2006 |
| Kukrahati-Itinda Gas PipelineWest Bengal → West Bengal | India | Cancelled | 125 km | 6.57 bcm/y | 1 | 2024 |
| Kulata-Kresna Gas Pipeline | Bulgaria | Under construction | 48 km | 1.3 bcm/y | 1 | 2026 |
| Kulata-Nea Missivria Gas Pipeline | Bulgaria, Greece | Operating | 92 km | Not reported | 1 | — |
| Kulata–Petrich Gas Pipeline | Bulgaria | Operating | 23 km | Not reported | 1 | — |
| Kumagaya-Sano Gas Pipeline | Japan | Operating | 42 km | Not reported | 1 | 2004 |
| Kumli-Kizlyar-Babayurt-Aksai PipelineRepublic of Dagestan → Republic of Dagestan | Russia | Operating | 115 km | 8.5 bcm/y | 1 | 2005 |
| Kupe Gas PipelineTasman Sea → North Island | New Zealand | Operating | 42 km | 0.77 bcm/y | 1 | 2010 |
| Kurume Gas PipelineFukuoka-sh → Fukuoka-sh | Japan | Operating | 1.7 km | Not reported | 1 | 1996 |
| Kutaisi-Sukhumi Gas Pipeline | Georgia | Operating | 212 km | Not reported | 1 | 1986 |
| Kutumbopur-Meghnaghat-Haripur Transmission Pipeline | Bangladesh | Cancelled | 67 km | 2.56 bcm/y | 1 | 2021 |
| Kvitebjørn Gas Pipeline | Norway | Operating | 148 km | 9.86 bcm/y | 1 | 2004 |
| Kyiv–Western Border Pipeline | Ukraine | Operating | 1,112 km | Not reported | 1 | 1970 |
| Kyiv–Western Border of Ukraine Gas Pipeline | Ukraine | Operating | 400 km | Not reported | 1 | 1970 |
| Kysyl-Syr-Amga-Ayan Gas PipelineSakha Republic → Khabarovsk Krai | Russia | Proposed | 1,358 km | 28 bcm/y | 1 | 2027 |
| Kędzierzyn-Racibórz Gas Pipeline | Poland | Operating | 37 km | Not reported | 1 | 2025 |
| LSF Gas Pipeline | Germany | Operating | 63 km | Not reported | 1 | — |
| LSF–Extra Gas Pipeline | Germany | Operating | 91 km | Not reported | 1 | — |
| La Carlota-Tío Pujio Gas PipelineCórdoba → Córdoba | Argentina | Operating | 123 km | 5.84 bcm/y | 1 | 2024 |
| La Laguna-Aguascalientes Gas PipelineDurango → Aguascalientes | Mexico | Operating | 444 km | 13.5 bcm/y | 1 | 2019 |
| Lacq–Larrau Gas Pipeline | Spain | Operating | 108 km | 5.96 bcm/y | 1 | 2013 |
| Lakach Gas Pipeline | Mexico | Cancelled | 142 km | 5.11 bcm/y | 1 | — |
| Lakhdaria Gas PipelineBouira → Bouira | Algeria | Operating | 18 km | Not reported | 1 | — |
| Langalband–Gopalganj Gas Transmission Pipeline | Bangladesh | Proposed | 110 km | 1.19 bcm/y | 1 | 2025 |
| Langeled Gas PipelineMøre og Romsdal → Yorkshire and the Humber | Norway, United Kingdom | Operating | 1,166 km | 25.5 bcm/y | 1 | 2006 |
| Langtala-Bhilwara Gas PipelineRajasthan → Rajasthan | India | Cancelled | 580 km | 1.83 bcm/y | 1 | — |
| Langtala-Jodhpur-Pali Gas PipelineRajasthan → Rajasthan | India | Cancelled | 440 km | 0.05 bcm/y | 1 | — |
| Langtala-Pachpadra Gas PipelineRajasthan → Rajasthan | India | Cancelled | 290 km | 1.46 bcm/y | 1 | — |
| Lanzhot–Plavecky Peter Gas Pipeline | Slovakia, Austria | Operating | 34 km | Not reported | 1 | — |
| Laren-Vreden Gas Pipeline | Netherlands, Germany | Operating | 42 km | Not reported | 1 | — |
| Larino-Chieti Gas PipelineCampobasso → Pescara | Italy | Operating | 113 km | 2.53 bcm/y | 1 | 2022 |
| Larino-Sora-Colleferro Gas Pipeline | Italy | Under construction | 12 km | Not reported | 1 | — |
| Larrau–Villar de Arnedo Gas Pipeline | France, Spain | Operating | 145 km | Not reported | 1 | 2007 |
| Lasow–Odolanow Gas Pipeline | Poland | Operating | 235 km | Not reported | 1 | — |
| Lauchhammer 2 - Großkoschen Gas PipelineBrandenburg → Brandenburg | Germany | Shelved | 28 km | Not reported | 1 | 2027 |
| Lauria-Tarsia Gas Pipeline | Italy | Operating | 69 km | Not reported | 1 | 1994 |
| Lauria–Montesano Gas Pipeline | Italy | Operating | 38 km | Not reported | 1 | 1995 |
| Le Havre–Paris Gas Pipeline | France | Operating | 181 km | Not reported | 1 | — |
| Leach XPress Gas PipelinePennsylvania → Ohio | United States | Operating | 258 km | 15.6 bcm/y | 1 | 2018 |
| Lebyazhye-Makushino Gas PipelineKurgan Oblast → Kurgan Oblast | Russia | Proposed | 49 km | 0.19 bcm/y | 1 | — |
| Leidy South PipelinePennsylvania → Delaware | United States | Operating | 20 km | 5.93 bcm/y | 1 | 2021 |
| Leiria-Braga Pipeline | Portugal | Operating | 209 km | Not reported | 1 | — |
| Leman (Perenco) Pipeline A1 | United Kingdom | Operating | 62 km | Not reported | 1 | 1968 |
| Leman (Perenco) Pipeline A2 | United Kingdom | Operating | 65 km | Not reported | 1 | 1970 |
| Leman (Shell) Pipeline | United Kingdom | Operating | 55 km | Not reported | 1 | 1967 |
| Lembak - Simpang Y Gas PipelineSouth Sumatra → South Sumatra | Indonesia | Operating | 50 km | 0.82 bcm/y | 1 | — |
| Lenart-Gornja Radgona Gas Pipeline | Slovenia | Proposed | 30 km | Not reported | 1 | — |
| Lengo Field Gas PipelineEast Java → East Java | Indonesia | Proposed | 65 km | Not reported | 1 | 2027 |
| Leningrad-Vyborg-State Border Gas PipelineLeningrad Oblast → Leningrad Oblast | Russia | Operating | 115 km | 9.13 bcm/y | 1 | 1973 |
| Leningrad-Vyborg-State Border Gas PipelineLeningrad Oblast → Leningrad Oblast | Estonia, Russia | Operating | 115 km | 9.13 bcm/y | 1 | — |
| Leudelange-Mertert Gas Pipeline | Luxembourg | Operating | 35 km | Not reported | 1 | — |
| Leviathan Subsea Gas PipelinesMediterranean Sea → Haifa | Israel | Operating | 120 km | 6 bcm/y | 1 | 2019 |
| Leviathan Subsea Gas PipelinesMediterranean Sea → Haifa | Israel | Operating | 120 km | 6 bcm/y | 1 | 2019 |
| Leviathan Subsea Gas PipelinesMediterranean Sea → Haifa | Israel | Under construction | 120 km | 2 bcm/y | 1 | 2026 |
| Leviathan Subsea Gas PipelinesMediterranean Sea → Haifa | Israel | Proposed | 120 km | 2 bcm/y | 1 | — |
| Lewin Brzeski-Nysa PipelineOpolskie Voivodeship → Opolskie Voivodeship | Poland | Proposed | 38 km | Not reported | 1 | 2020 |
| Liaoning Gas Pipeline NetworkLiaoning → Inner Mongolia | China | Operating | 226 km | 1.8 bcm/y | 1 | 2015 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 433 km | 8.4 bcm/y | 1 | 2011 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 97 km | 1.16 bcm/y | 1 | 2014 |
| Liaoning Gas Pipeline NetworkLiaoning → Inner Mongolia | China | Operating | 191 km | 0.53 bcm/y | 1 | 2022 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 98 km | 0.14 bcm/y | 1 | 2014 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 70 km | 4.2 bcm/y | 1 | 2014 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Under construction | 106 km | 0.99 bcm/y | 1 | — |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Under construction | 147 km | 1.5 bcm/y | 1 | — |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 344 km | 4 bcm/y | 1 | 2020 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 168 km | 0.45 bcm/y | 1 | 2013 |
| Liaoning Gas Pipeline NetworkHebei → Liaoning | China | Operating | 473 km | 8 bcm/y | 1 | 2011 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 51 km | 24.9 bcm/y | 1 | 2023 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 68 km | 0.55 bcm/y | 1 | 2025 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 68 km | 0.82 bcm/y | 1 | 2018 |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 25 km | 0 bcm/y | 1 | 2011 |
| Liaoning Gas Pipeline Network | China | Operating | 24 km | Not reported | 1 | — |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 62 km | Not reported | 1 | — |
| Liaoning Gas Pipeline NetworkLiaoning → Liaoning | China | Operating | 31 km | 0.05 bcm/y | 1 | 2017 |
| Libya Coastal Gas Pipeline | Libya | Operating | 1,164 km | 6.17 bcm/y | 1 | 1983 |
| Liepaja–Iecava Gas Pipeline | Latvia | Operating | 207 km | Not reported | 1 | 2005 |
| Lindau-Daleu Gas Pipeline | Austria, Switzerland | Operating | 67 km | Not reported | 1 | — |
| Line 1600 Gas Pipeline | United States | Operating | 81 km | 6.44 bcm/y | 1 | 1949 |
| Line 1600 Gas PipelineCalifornia → California | United States | Proposed | 0 km | 2.04 bcm/y | 1 | 2024 |
| Linhares-Governador Valadares Gas PipelineEspírito Santo → Minas Gerais | Brazil | Proposed | 280 km | 2.56 bcm/y | 1 | — |
| Lithuania-Latvia Interconnection Gas PipelineVilnius → Kurzeme Planning Region | Lithuania, Latvia | Operating | 138 km | 2.3 bcm/y | 1 | 1962 |
| Lithuania-Latvia Interconnection Gas Pipeline | Lithuania, Latvia | Under construction | 0 km | 0.58 bcm/y | 1 | 2024 |
| Liza Gas Pipeline | Guyana | Under construction | 225 km | 1.28 bcm/y | 1 | 2025 |
| Llandarcy-Bacton Gas Pipeline | United Kingdom | Retired | 462 km | Not reported | 1 | — |
| Los Ramones Gas PipelineTamaulipas → Nuevo León | Mexico | Operating | 116 km | 21.5 bcm/y | 1 | 2014 |
| Los Ramones Gas PipelineNuevo León → San Luis Potosi | Mexico | Operating | 452 km | 14.6 bcm/y | 1 | 2016 |
| Los Ramones Gas PipelineSan Luis Potosi → Guanajuato | Mexico | Operating | 292 km | 14.5 bcm/y | 1 | 2016 |
| Los Ramones-Cempoala Gas PipelineNuevo León → Veracruz | Mexico | Cancelled | 855 km | Not reported | 1 | 2024 |
| Louisiana Energy Access Project PipelineLouisiana → Louisiana | United States | Operating | 241 km | 10.2 bcm/y | 1 | 2020 |
| Louisiana Energy Access Project PipelineLouisiana → Louisiana | United States | Operating | 0 km | 3.07 bcm/y | 1 | 2023 |
| Louisiana Energy Access Project PipelineLouisiana → Louisiana | United States | Operating | 0 km | 4.09 bcm/y | 1 | 2024 |
| Louisiana Energy Access Project PipelineLouisiana → Louisiana | United States | Operating | 0 km | 2.04 bcm/y | 1 | 2024 |
| Louisiana Energy Access Project PipelineLouisiana → Louisiana | United States | Under construction | 0 km | 2.04 bcm/y | 1 | 2026 |
| Louisiana Energy GatewayLouisiana → Louisiana | United States | Under construction | 209 km | 18.4 bcm/y | 1 | 2025 |
| Louisiana Intrastate Gas (LIG) PipelineLouisiana → Louisiana | United States | Operating | 3,219 km | 7.15 bcm/y | 1 | 1985 |
| Low Pressure Gujarat Gas Grid NetworkGujarat → Gujarat | India | Operating | 58 km | 4.38 bcm/y | 1 | 2000 |
| Lower Zakum–Das Island Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Under construction | 85 km | 2.76 bcm/y | 1 | 2025 |
| Lowman PipelineAlabama → Alabama | United States | Proposed | Not reported | Not reported | 1 | — |
| Lozenets–Nedyalsko Loop Gas Pipeline | Bulgaria | Operating | 20 km | 1.7 bcm/y | 1 | 2018 |
| Lucera-San Paolo Gas Pipeline | Italy | Under construction | 69 km | Not reported | 1 | 2025 |
| Lucko–Bosiljevo Gas Pipeline | Croatia | Operating | 65 km | Not reported | 1 | — |
| Luxembourg Gas Transmission Network | Luxembourg | Operating | 2,176 km | 104 bcm/y | 1 | — |
| Luzhou-Zhaotong-Bijie-Baise pipelineSichuan → Guangxi | China | Proposed | 819 km | 10 bcm/y | 1 | — |
| Lwówek-Odlonów Gas Pipeline | Poland | Operating | 168 km | Not reported | 1 | 2019 |
| Lázaro Cárdenas-Acapulco Gas PipelineMichoacán → Guerrero | Mexico | Cancelled | 331 km | 1.02 bcm/y | 1 | — |
| MEGAL Gas PipelineBayern → Saarland | Germany | Operating | 1,115 km | 22 bcm/y | 1 | 1980 |
| MEGAL–France Gas Pipeline | France, Germany | Operating | 86 km | Not reported | 1 | — |
| METG PipelineNordrhein-Westfalen → Hessen | Germany | Operating | 172 km | Not reported | 1 | 1968 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 28 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 28 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 150 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 150 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 83 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 83 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 185 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 185 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 170 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 170 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 190 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 190 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 458 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 310 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 462 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 116 km | Not reported | 1 | 2027 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 470 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 212 km | Not reported | 1 | 2028 |
| MGS III Gas PipelinesAl Madinah → Makkah | Saudi Arabia | Under construction | 192 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 52 km | Not reported | 1 | 2028 |
| MGS III Gas Pipelines | Saudi Arabia | Under construction | 196 km | Not reported | 1 | 2028 |
| MIDAL Gas PipelineNiedersachsen → Rheinland-Pfalz | Germany | Operating | 702 km | 12.8 bcm/y | 1 | 1993 |
| MP 59.91-Nandipur Power Plant Gas PipelinePunjab → Punjab | Pakistan | Operating | 76 km | Not reported | 1 | — |
| Mackenzie Gas Pipeline ProjectNorthwest Territories → Alberta | Canada | Cancelled | 1,220 km | 12.3 bcm/y | 1 | — |
| Madrakah–Al Hawiyah Gas PipelineMakkah → Makkah | Saudi Arabia | Operating | 450 km | 2.96 bcm/y | 1 | 2024 |
| Madrid–Algete Gas Pipeline | Spain | Operating | 44 km | Not reported | 1 | — |
| Maenza-Gallese Gas Pipeline | Italy | Operating | 127 km | Not reported | 1 | 1983 |
| Maenza–Melizzano Gas Pipeline | Italy | Operating | 133 km | Not reported | 1 | 1982 |
| Maghreb-Europe Gas PipelineLaghouat → Andalucía | Algeria, Morocco, Spain, Portugal | Operating | 1,350 km | 12 bcm/y | 1 | 1996 |
| Magnitogorsk-Ishimbay Gas PipelineChelyabinsk region → Republic of Bashkortostan | Russia | Operating | 209 km | Not reported | 1 | 1959 |
| Magnitogorsk-Sterlitamak Gas PipelineChelyabinsk region → Republic of Bashkortostan | Russia | Operating | 208 km | Not reported | 1 | 1967 |
| Magnolia Gas PipelineLouisiana → Louisiana | United States | Proposed | Not reported | 13.9 bcm/y | 1 | — |
| Magnolia Intrastate PipelineAlabama → Mississippi | United States | Operating | 190 km | 1.25 bcm/y | 1 | — |
| Magnolia Intrastate PipelineMississippi → Alabama | United States | Shelved | 72 km | 5.11 bcm/y | 1 | 2019 |
| Mahalo Gas Hub PipelineQueensland → Queensland | Australia | Proposed | 73 km | 0.25 bcm/y | 1 | — |
| Mahmoudiah PS Gas Pipeline | Egypt | Operating | 52 km | Not reported | 1 | — |
| Mahmudiyah-Besmaya Gas Pipeline | Iraq | Under construction | 43 km | 8.18 bcm/y | 1 | — |
| Maida Saint Eufemia-Castrovillari Gas PIpeline | Italy | Operating | 102 km | Not reported | 1 | 1981 |
| Maida-Martirano Gas Pipeline | Italy | Operating | 34 km | Not reported | 1 | 1993 |
| MaidaSEufemia–Reggio Calabria Gas Pipeline | Italy | Operating | 96 km | Not reported | 1 | 1980 |
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.