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 1–300 of 4246 pipelines, sorted by name. The filters below apply to this page.
| Countries | Segments | |||||
|---|---|---|---|---|---|---|
| 103D-103A Gas Pipeline | Libya | Operating | 41 km | 17.8 bcm/y | 1 | — |
| 2nd Bangabandhu Railway Bridge Gas Transmission Pipeline | Bangladesh | Under construction | 10 km | Not reported | 1 | 2025 |
| A47-Yanbu Gas Pipeline | Saudi Arabia | Operating | 966 km | Not reported | 1 | — |
| ABK-USCC Gas Pipeline | United Arab Emirates | Operating | 42 km | Not reported | 1 | — |
| ADCC PipelineTexas → Texas | United States | Proposed | Not reported | 17.4 bcm/y | 1 | 2024 |
| AGRS Graf Ignatievo to Hisarya–Banya–Karlovo-Sopot Gas Pipeline | Bulgaria | Proposed | 54 km | Not reported | 1 | — |
| AKG-Ras Laffan Gas PipelinePersian Gulf → Al Khor | Qatar | Operating | 51 km | 20.4 bcm/y | 1 | 2005 |
| AKG-Ras Laffan Gas PipelinePersian Gulf → Al Khor | Qatar | Operating | 51 km | 20.4 bcm/y | 1 | 2005 |
| AKG-Ras Laffan Gas PipelinePersian Gulf → Al Khor | Qatar | Operating | 51 km | 15.3 bcm/y | 1 | 2009 |
| AKG-Ras Laffan Gas PipelinePersian Gulf → Al Khor | Qatar | Operating | 51 km | 15.3 bcm/y | 1 | 2009 |
| ANR Gas PipelineTexas → Illinois | United States | Operating | 2,897 km | 61.3 bcm/y | 1 | 1949 |
| ANR Gas PipelineMichigan → Louisiana | United States | Operating | 0 km | 1.69 bcm/y | 1 | 2023 |
| ANR Gas Pipeline | United States | Proposed | 0 km | 1.28 bcm/y | 1 | 2022 |
| ANR Gas PipelineLouisiana → Louisiana | United States | Under construction | 0 km | 4.29 bcm/y | 1 | 2022 |
| ANR Gas PipelineIllinois → Wisconsin | United States | Proposed | 0 km | 0.74 bcm/y | 1 | 2022 |
| ANR Gas PipelineIowa → Iowa | United States | Proposed | 0.6 km | 0 bcm/y | 1 | 2024 |
| ANR Gas PipelineWisconsin → Wisconsin | United States | Operating | 77 km | 1.53 bcm/y | 1 | 2025 |
| ANR Gas PipelineGulf of Mexico → Louisiana | United States | Idle | 64 km | 7.39 bcm/y | 1 | — |
| ANR Gas PipelineIllinois → Wisconsin | United States | Proposed | 113 km | 4.83 bcm/y | 1 | 2027 |
| APLNG PipelineQueensland → Queensland | Australia | Operating | 530 km | 15.1 bcm/y | 1 | 2015 |
| AV22-Kot Addu Gas PipelinePunjab → Punjab | Pakistan | Operating | 70 km | Not reported | 1 | — |
| AV29-N2 RLNG PipelinePunjab → Punjab | Pakistan | Operating | 68 km | Not reported | 1 | — |
| AV29-Sahiwal Gas PipelinePunjab → Punjab | Pakistan | Operating | 145 km | Not reported | 1 | — |
| AY–1 KP 943-Riyadh Gas Pipeline | Saudi Arabia | Operating | 153 km | Not reported | 1 | — |
| Abadi Gas Pipeline | Indonesia | Proposed | 150 km | 1.53 bcm/y | 1 | 2030 |
| Abqaiq-B-Shedgum Gas PipelineEastern Province → Eastern Province | Saudi Arabia | Operating | 53 km | Not reported | 1 | — |
| Abqaiq-Berri Gas Pipeline | Saudi Arabia | Operating | 137 km | Not reported | 1 | — |
| Abstubetsu Gas Pipeline | Japan | Operating | 4.3 km | Not reported | 1 | 2005 |
| Abu Ali-Berri Gas PipelineEastern Province → Eastern Province | Saudi Arabia | Operating | 44 km | 2.25 bcm/y | 1 | 2008 |
| Abu Ali-Berri Gas PipelineEastern Province → Eastern Province | Saudi Arabia | Operating | 22 km | 2.25 bcm/y | 1 | 2008 |
| Abu Gharadig–Dahshour (1) Gas PipelineMatruh → Giza | Egypt | Operating | 290 km | 1.23 bcm/y | 1 | — |
| Abu Sennan Spur Gas Pipeline | Egypt | Operating | 45 km | Not reported | 1 | — |
| Acadian Gas Pipeline SystemLouisiana → Louisiana | United States | Operating | 1,609 km | 10.2 bcm/y | 1 | — |
| Acadian Gas Pipeline SystemLouisiana → Louisiana | United States | Operating | 134 km | 10.2 bcm/y | 1 | 2021 |
| Acadian Gas Pipeline System | United States | Operating | 0 km | 4.09 bcm/y | 1 | 2023 |
| Acadian Gas Pipeline SystemLouisiana → Louisiana | United States | Operating | 435 km | 18.4 bcm/y | 1 | 2011 |
| Access South Gas PipelinePennsylvania → Mississippi | United States | Operating | 1,287 km | 3.27 bcm/y | 1 | 2017 |
| Achim-Elbe Sud Gas PipelineLower Saxony → Lower Saxony | Germany | Proposed | 86 km | Not reported | 1 | 2027 |
| Achinsk-Abakan Gas Pipeline | Russia | Cancelled | 341 km | Not reported | 1 | — |
| Addison Natural Gas Pipeline | United States | Operating | 66 km | Not reported | 1 | 2017 |
| Adelphia PipelinePennsylvania → Pennsylvania | United States | Operating | 80 km | 2.56 bcm/y | 1 | 2023 |
| Adriatica PipelineMolise → Abruzzo | Italy | Operating | 94 km | 8.8 bcm/y | 1 | 2005 |
| Adriatica Pipeline | Italy | Under construction | 140 km | 1.83 bcm/y | 1 | 2026 |
| Adriatica PipelineApulia → Apulia | Italy | Operating | 195 km | 8.8 bcm/y | 1 | 2012 |
| Adriatica PipelineApulia → Molise | Italy | Operating | 73 km | 8.8 bcm/y | 1 | 2016 |
| Adriatica PipelineAbruzzo → Umbria | Italy | Proposed | 170 km | 6.94 bcm/y | 1 | 2027 |
| Adriatica Pipeline | Italy | Proposed | 114 km | 6.94 bcm/y | 1 | 2027 |
| Afisiere-Aladja Gas Pipeline | Nigeria | Operating | 50 km | 0.65 bcm/y | 1 | — |
| African Renaissance Gas PipelineCabo Delgado → Gauteng | Mozambique, South Africa | Proposed | 614 km | 22.5 bcm/y | 1 | 2026 |
| Agartala Regional Gas NetworkTripura → Tripura | India | Operating | 55 km | 0.73 bcm/y | 1 | 1997 |
| Agua Blanca PipelineTexas → Texas | United States | Operating | 262 km | 12.8 bcm/y | 1 | 2018 |
| Agua Blanca PipelineNew Mexico → Texas | United States | Operating | 37 km | 4.09 bcm/y | 1 | 2020 |
| Agua Blanca PipelineNew Mexico → Texas | United States | Operating | 32 km | Not reported | 1 | — |
| Ahangaran-Pungan Gas PipelineTashkent → Fergana | Uzbekistan | Operating | 165 km | 10 bcm/y | 1 | 2009 |
| Ahangaran-Pungan Gas PipelineTashkent → Fergana | Uzbekistan | Operating | 25 km | Not reported | 1 | 2020 |
| Ain Ben Khelil Gas PipelineNaâma → Naâma | Algeria | Operating | 44 km | Not reported | 1 | 2006 |
| Ain Madhi-Tadjemout Gas PipelineTadjemout → Tadjemout | Algeria | Operating | 36 km | Not reported | 1 | 2005 |
| Ain-Bessem Gas Pipeline | Algeria | Operating | 14 km | Not reported | 1 | — |
| Aindar-Shedgum Gas PipelineAsh Sharqiyah → Eastern Province | Saudi Arabia | Operating | 34 km | Not reported | 1 | — |
| Ajaokuta-Obajana Gas Pipeline | Nigeria | Operating | 90 km | 0.84 bcm/y | 1 | — |
| Ajdovščina – Lucija Gas Pipeline | Slovenia | Under construction | 46 km | Not reported | 1 | 2025 |
| Akshabulak-Kyzylorda Gas PipelineKyzylorda Region → Kyzylorda Region | Kazakhstan | Operating | 123 km | 0.23 bcm/y | 1 | 2004 |
| Aktobe-Kostanay Gas PipelineAktobe → Kostanay | Kazakhstan | Proposed | 630 km | 4.1 bcm/y | 1 | 2028 |
| Al Ain-Fujairah Gas Pipeline | United Arab Emirates | Operating | 182 km | Not reported | 1 | 2004 |
| Al Gamil–Damietta Gas PipelinePort Said → Damietta | Egypt | Operating | 50 km | 7.67 bcm/y | 1 | — |
| Al Maqta'a-Al Ain Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 149 km | Not reported | 1 | — |
| Al Najibiya PS Gas PipelineBasra → Basra | Iraq | Operating | 4.5 km | Not reported | 1 | — |
| Al Ándalus Gas Pipeline | Spain | Operating | 884 km | 12 bcm/y | 1 | 1996 |
| Al-Ahdab-Al-Zubaydia PWR St Gas PipelineWasit → Wasit | Iraq | Operating | 117 km | Not reported | 1 | — |
| AlaTenn Gas PipelineTennessee → Mississippi, Alabama | United States | Operating | 475 km | 2.04 bcm/y | 1 | 2002 |
| AlaTenn Gas PipelineAlabama → Alabama | United States | Operating | 0 km | 0.4 bcm/y | 1 | 2020 |
| Alagbado-SNG Gas Pipeline | Nigeria | Operating | 69 km | 0.39 bcm/y | 1 | — |
| Alakiri-Ikot-Abasi Gas Pipeline | Nigeria | Operating | 117 km | 1.5 bcm/y | 1 | — |
| Alakiri-Notore Onne Gas Pipeline | Nigeria | Operating | 17 km | 1.29 bcm/y | 1 | — |
| Alaska LNG Pipeline (AKLNG)Alaska → Alaska | United States | Proposed | 1,299 km | 35.8 bcm/y | 1 | 2029 |
| Alaska Pipeline ProjectAlaska → Alberta | United States, Canada | Cancelled | 1,700 km | 46 bcm/y | 1 | — |
| Alaska Stand Alone PipelineAlaska → Alaska | United States | Shelved | 1,186 km | 5.11 bcm/y | 1 | 2025 |
| Albania–Kosovo Gas Pipeline | Albania, Kosovo | Shelved | 212 km | Not reported | 1 | 2027 |
| Alcazar de San Juan-Yela Gas Pipeline | Spain | Operating | 174 km | Not reported | 1 | 2000 |
| Alcazar de San Juan-Yela Gas Pipeline | Spain | Operating | 0 km | Not reported | 1 | 2013 |
| Aleksandrovac-Novi Pazar-Tutin Pipeline | Serbia | Under construction | 117 km | 0.66 bcm/y | 1 | 2023 |
| Alen–Punta Europa Gas Pipeline | Equatorial Guinea | Operating | 70 km | 9.71 bcm/y | 1 | 2021 |
| Alessandria–Cortemaggiore Gas Pipeline | Italy | Operating | 118 km | Not reported | 1 | 1986 |
| Alexandroupolis INGS Terminal Pipeline | Greece | Operating | 28 km | 8.3 bcm/y | 1 | 2024 |
| Algete-Haro Gas Pipeline | Spain | Operating | 892 km | Not reported | 1 | 1986 |
| Algete-Yela Gas Pipeline | Spain | Operating | 89 km | Not reported | 1 | 2011 |
| Algonquin Gas Transmission PipelineMassachusetts → Connecticut | United States | Cancelled | 198 km | 9.45 bcm/y | 1 | — |
| Algonquin Gas Transmission PipelineNew York → Massachusetts | United States | Operating | 1,820 km | 31.9 bcm/y | 1 | 1997 |
| Algonquin Gas Transmission PipelineNew York → New York | United States | Operating | 60 km | 3.5 bcm/y | 1 | 2016 |
| Algonquin Gas Transmission Pipeline | United States | Proposed | 1,278 km | 7.67 bcm/y | 1 | 2029 |
| Algonquin Gas Transmission Pipeline | United States | Operating | 9.7 km | 0.41 bcm/y | 1 | 2017 |
| Algonquin Gas Transmission Pipeline | United States | Operating | 0 km | 0.95 bcm/y | 1 | 2021 |
| Aliağa Pig-Üçpınar Pig Gas Pipeline | Türkiye | Operating | 32 km | Not reported | 1 | 2019 |
| Alkhazurovo-Shatoi Gas PipelineChechen Republic → Chechen Republic | Russia | Proposed | 29 km | 0.18 bcm/y | 1 | 2024 |
| Alliance Gas PipelineBritish Columbia → Illinois | Canada, United States | Operating | 3,848 km | 16.4 bcm/y | 1 | 2000 |
| Alliance Gas PipelineIllinois → Illinois | Canada, United States | Cancelled | 0 km | 4.09 bcm/y | 1 | 2021 |
| Alliance Gas PipelineIllinois → Illinois | United States | Operating | 4.6 km | 2.15 bcm/y | 1 | 2024 |
| Almaty-Bayserke-Talgar Gas Pipeline | Kazakhstan | Operating | 64 km | 2.4 bcm/y | 1 | 2014 |
| Almaty-Bayserke-Talgar Gas Pipeline | Kazakhstan | Operating | 62 km | 8.8 bcm/y | 1 | 2024 |
| Almaty-Taldykorgan Gas Pipeline | Kazakhstan | Operating | 303 km | 0.15 bcm/y | 1 | 2017 |
| Almería-Chinchilla Gas Pipeline | Spain | Operating | 336 km | Not reported | 1 | 2009 |
| Alrar-Hassi R'Mel Gas PipelineIlizi → Laghouat | Algeria | Operating | 966 km | Not reported | 1 | 1986 |
| Alrar-Hassi R'Mel Gas PipelineIlizi → Laghouat | Algeria | Operating | 966 km | Not reported | 1 | 1999 |
| Altamura–Candela Gas Pipeline | Italy | Operating | 110 km | Not reported | 1 | 1967 |
| Altamura–Ferrandina Gas Pipeline | Italy | Operating | 30 km | Not reported | 1 | 1987 |
| Altamura–Latiano Gas Pipeline | Italy | Operating | 144 km | Not reported | 1 | 1990 |
| Altamura–Latiano Gas Pipeline | Italy | Operating | 144 km | Not reported | 1 | 1990 |
| Alto Beni-Caranavi Gas PipelineLa Paz → La Paz | Bolivia | Proposed | 45 km | 0.51 bcm/y | 1 | — |
| Alton Natural Gas PipelineNova Scotia → Nova Scotia | Canada | Operating | 11 km | Not reported | 1 | 2018 |
| Alwyn Field–Frigg Field Gas Pipeline | United Kingdom | Operating | 110 km | Not reported | 1 | 1988 |
| Amadeus Gas PipelineNorthern Territory → Northern Territory | Australia | Operating | 1,658 km | 1.66 bcm/y | 1 | 1986 |
| Amadeus Gas Pipeline | Australia | Cancelled | 0 km | 3.51 bcm/y | 1 | 2025 |
| Amadeus to Moomba Gas PipelineNorthern Territory → South Australia | Australia | Cancelled | 950 km | 1.24 bcm/y | 1 | 2024 |
| Amagasaki line | Japan | Operating | 7 km | Not reported | 1 | 2010 |
| Amagasaki-Kumiyama Gas Pipeline | Japan | Proposed | 47 km | Not reported | 1 | 2029 |
| Amangeldy-KS5 Gas PipelineKostanay → Jambyl | Kazakhstan | Operating | 193 km | Not reported | 1 | 2003 |
| Amber Grid Gas Transmission System | Lithuania | Operating | 51 km | Not reported | 1 | — |
| Amber Grid Gas Transmission System | Lithuania | Operating | 110 km | 0.18 bcm/y | 1 | 2015 |
| Amber Grid Gas Transmission System | Lithuania | Operating | 0 km | 2.01 bcm/y | 1 | 2015 |
| Amber Grid Gas Transmission System | Lithuania | Proposed | 287 km | Not reported | 1 | — |
| Amber Grid Gas Transmission System | Lithuania | Proposed | 145 km | Not reported | 1 | — |
| Amenam-Bonny Gas Pipeline | Nigeria | Operating | 55 km | 7.34 bcm/y | 1 | — |
| Amistad-Valvula de Playa Gas Pipeline | Ecuador | Operating | 71 km | 1.19 bcm/y | 1 | — |
| Ampelia–Bralos Gas Pipeline | Greece | Operating | 74 km | Not reported | 1 | — |
| Ampelia–Volvos Gas Pipeline | Greece | Operating | 50 km | Not reported | 1 | — |
| Amriya–El Alamein Gas PipelineAlexandria → Matruh | Egypt | Operating | 130 km | Not reported | 1 | 2022 |
| Anaco-Barquisimeto Gas Pipeline | Venezuela | Operating | 2,470 km | 10 bcm/y | 1 | 1950 |
| Anaco-Puerto La Cruz Gas Pipeline | Venezuela | Operating | 772 km | 6.13 bcm/y | 1 | 1951 |
| Anaco-Puerto Ordaz Gas Pipeline | Venezuela | Operating | 779 km | 6.29 bcm/y | 1 | 1970 |
| Anan'iv-Tiraspol-Izmail Gas Pipeline | Ukraine, Moldova | Operating | 257 km | 23.7 bcm/y | 1 | 1968 |
| Ananjiv-Bohorodchani Gas Pipeline | Ukraine, Moldova | Operating | 333 km | 9.1 bcm/y | 1 | 1987 |
| Anchorage System Gas PipelineAlaska → Alaska | United States | Operating | 80 km | Not reported | 1 | — |
| Andreevskaya-Ingaly-Bolsherechenskaya Gas PipelineOmsk Oblast → Omsk Oblast | Russia | Proposed | 70 km | 0.22 bcm/y | 1 | — |
| Angarskaya Gas PipelineKrasnoyarsk Krai → Irkutsk Oblast | Russia | Cancelled | 1,368 km | Not reported | 1 | — |
| Angelin Gas Pipeline | Trinidad and Tobago | Operating | 21 km | 6.13 bcm/y | 1 | 2019 |
| Anglo-Mitsui Gas PipelineQueensland → Queensland | Australia | Operating | 23 km | 0.5 bcm/y | 1 | 1996 |
| Angola LNG Gas Pipeline System | Angola | Operating | 500 km | 7.67 bcm/y | 1 | 2016 |
| Angore Gas PipelineHela → Hela | Papua New Guinea | Operating | 11 km | 3.58 bcm/y | 1 | 2024 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 103 km | 3 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 79 km | 2 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 281 km | 4.66 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 120 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkZhejiang → Anhui | China | Shelved | 128 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 137 km | 1.44 bcm/y | 1 | 2024 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 142 km | 9.3 bcm/y | 1 | 2021 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 700 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 188 km | 4.66 bcm/y | 1 | 2023 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 179 km | 4.66 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 113 km | 0.9 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 180 km | 0.88 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 500 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 211 km | 0.82 bcm/y | 1 | 2021 |
| Anhui Gas Pipeline NetworkJiangsu → Anhui | China | Shelved | 144 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 87 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Shelved | 122 km | 2 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 93 km | 2.35 bcm/y | 1 | 2022 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 72 km | 2.8 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 138 km | 2 bcm/y | 1 | 2025 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 151 km | 11.3 bcm/y | 1 | 2022 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 42 km | 0.52 bcm/y | 1 | 2025 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 17 km | 0.18 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 44 km | 1 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 113 km | 0.36 bcm/y | 1 | 2021 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 28 km | 0.4 bcm/y | 1 | 2019 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 51 km | 0.37 bcm/y | 1 | 2015 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 28 km | 0.15 bcm/y | 1 | 2020 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 74 km | 0.7 bcm/y | 1 | 2018 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 31 km | 0.17 bcm/y | 1 | 2024 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 30 km | 0.32 bcm/y | 1 | 2018 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 130 km | Not reported | 1 | 2008 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 88 km | 0.84 bcm/y | 1 | 2017 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 58 km | 0.48 bcm/y | 1 | 2020 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 113 km | 0.3 bcm/y | 1 | 2020 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 183 km | Not reported | 1 | 2011 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 108 km | 1.26 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 43 km | 1 bcm/y | 1 | 2022 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 86 km | 0.65 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 41 km | 0.19 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 68 km | 0.53 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 62 km | 0.6 bcm/y | 1 | 2024 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 86 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 24 km | 0.4 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Proposed | 34 km | 0.5 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 19 km | 0.5 bcm/y | 1 | 2025 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 70 km | 1.39 bcm/y | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 99 km | Not reported | 1 | 2011 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 41 km | 6 bcm/y | 1 | 2023 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 6,246 km | 8.92 bcm/y | 1 | 2022 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 7.1 km | 0.11 bcm/y | 1 | 2025 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Under construction | 189 km | Not reported | 1 | — |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 119 km | 8.92 bcm/y | 1 | 2021 |
| Anhui Gas Pipeline NetworkAnhui → Anhui | China | Operating | 23 km | 0.38 bcm/y | 1 | 2021 |
| Anillo Gran Buenos Aires Gas PipelineBuenos Aires → Buenos Aires | Argentina | Operating | 83 km | Not reported | 1 | 1999 |
| Anillo Gran Buenos Aires Gas PipelineBuenos Aires → Buenos Aires | Argentina | Operating | 29 km | Not reported | 1 | 1989 |
| Anjar-Chotila Gas PipelineGujarat → Gujarat | India | Shelved | 200 km | 4.75 bcm/y | 1 | — |
| Annecy-La Gabiule Gas Pipeline | France, Switzerland | Operating | 40 km | Not reported | 1 | 1977 |
| Anowara-Fouzdarhat Gas Pipeline | Bangladesh | Operating | 30 km | 12.3 bcm/y | 1 | 2020 |
| Anže - Brestanica Gas PipelineStyria → Styria | Slovenia | Proposed | 4.5 km | Not reported | 1 | 2027 |
| Apatin-Paracin Gas Pipeline | Serbia | Operating | 93 km | Not reported | 1 | — |
| Apatin-Paracin Gas Pipeline | Serbia | Operating | 63 km | Not reported | 1 | — |
| Apatin-Paracin Gas Pipeline | Serbia | Operating | 173 km | Not reported | 1 | — |
| Apex PipelineTexas → Texas | United States | Proposed | 906 km | 20.4 bcm/y | 1 | — |
| Appalachian Connector PipelineClarington → Chatham | United States | Operating | 84 km | 20.4 bcm/y | 1 | 2018 |
| Appalachian Gateway PipelineWest Virgina → Pennsylvania | United States | Operating | 177 km | 4.95 bcm/y | 1 | 2012 |
| Arab Gas PipelineNorth Sinai → South Sinai | Egypt | Operating | 250 km | 10.3 bcm/y | 1 | 2003 |
| Arab Gas PipelineAleppo → Kilis | Syria, Türkiye | Cancelled | 64 km | 10.3 bcm/y | 1 | 2011 |
| Arab Gas PipelineHoms → Aleppo | Syria | Cancelled | 240 km | 10.3 bcm/y | 1 | — |
| Arab Gas PipelineSouth Sinai → Aqaba | Egypt, Jordan | Operating | 18 km | 10.3 bcm/y | 1 | 2003 |
| Arab Gas Pipeline | Jordan | Operating | 393 km | 10.3 bcm/y | 1 | 2005 |
| Arab Gas Pipeline | Jordan | Operating | 30 km | 10.3 bcm/y | 1 | 2007 |
| Arab Gas Pipeline | Jordan, Syria | Operating | 324 km | 10.3 bcm/y | 1 | 2008 |
| Arab Gas PipelineHoms → North Province | Syria, Lebanon | Mothballed | 101 km | 10.3 bcm/y | 1 | 2009 |
| Arad-Szeged Gas Pipeline | Romania, Hungary | Operating | 109 km | 4.5 bcm/y | 1 | 2010 |
| Aranda–Soria Gas Pipeline | Spain | Operating | 126 km | Not reported | 1 | 2001 |
| Arctic Fox PipelineAlaska → Alaska | United States | Cancelled | 827 km | 0.53 bcm/y | 1 | 2014 |
| Argentina LNG Gas PipelineNeuquén → Río Negro | Argentina | Proposed | 470 km | 10.2 bcm/y | 1 | 2028 |
| Argentina LNG Gas PipelineNeuquén → Río Negro | Argentina | Proposed | 640 km | 18.3 bcm/y | 1 | 2028 |
| Aricha Gas Pipeline | Algeria | Operating | 134 km | Not reported | 1 | 2011 |
| Arish–Ashkelon Pipeline | Israel, Egypt | Operating | 90 km | 7 bcm/y | 1 | 2008 |
| Arkoma Residue Capacity PipelineOklahoma → Oklahoma | United States | Cancelled | 129 km | 10.2 bcm/y | 1 | 2019 |
| Arrow Bowen PipelineQueensland → Queensland | Australia | Cancelled | 580 km | 15.1 bcm/y | 1 | 2028 |
| Artawi GMP EPSCC Gas PipelinesBasrah → Basrah | Iraq | Proposed | 83 km | Not reported | 1 | — |
| Artawi GMP EPSCC Gas PipelinesBasrah → Basrah | Iraq | Proposed | 114 km | Not reported | 1 | — |
| Arthit PLEM to Erawan Gas Pipeline | Thailand | Operating | 173 km | 17.9 bcm/y | 1 | 2007 |
| Arun-Belawan Gas PipelineSumatra → Sumatra | Indonesia | Operating | 350 km | 3.07 bcm/y | 1 | 2014 |
| Arzew-Sidi Bel abbès Gas PipelineOran Province → Sidi Bel abbès | Algeria | Operating | 73 km | 0 bcm/y | 1 | — |
| Asab–Bab-Habshan gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 88 km | Not reported | 1 | — |
| Asgard Transport SystemNorth Sea → Karstø | Norway | Operating | 720 km | 18.7 bcm/y | 1 | 2000 |
| Ashburton Onslow Gas PipelineWestern Australia → Western Australia | Australia | Operating | 110 km | 0.1 bcm/y | 1 | 2016 |
| Ashdod-Ashkelon Gas Pipeline | Israel | Under construction | 46 km | Not reported | 1 | — |
| Ashuganj-Bakhrabad 1 Gas Pipeline | Bangladesh | Operating | 59 km | 4.09 bcm/y | 1 | 1997 |
| Ashuganj-Bakhrabad 2 Gas Pipeline | Bangladesh | Operating | 61 km | 4.6 bcm/y | 1 | 2015 |
| Ashuganj-Elenga Gas Pipeline | Bangladesh | Operating | 124 km | 3.58 bcm/y | 1 | 1991 |
| Ashuganj-Habiganj Loopline | Bangladesh | Operating | 54 km | 5.11 bcm/y | 1 | 2005 |
| Ashuganj-Monohardi Gas Pipeline | Bangladesh | Operating | 37 km | 4.6 bcm/y | 1 | 2007 |
| Asla-Chellala-Boussemghoun Gas PipelineNaâma → El Bayadh | Algeria | Operating | 65 km | Not reported | 1 | 2009 |
| Aspire Energy Express Gas PipelineOhio → Ohio | United States | Proposed | Not reported | 3.07 bcm/y | 1 | 2027 |
| Assam Regional Gas NetworkAssam → Assam | India | Operating | 105 km | 0.89 bcm/y | 1 | 1967 |
| Atacama Gas Pipeline | Argentina, Chile | Operating | 1,167 km | 1.97 bcm/y | 1 | 1999 |
| Atlantic Bridge Gas PipelineMasschusetts → New Brunswick | United States, Canada | Operating | 10 km | 0.95 bcm/y | 1 | 2021 |
| Atlantic Bridge Gas ProjectNew Jersey → Maine | United States | Operating | Not reported | 0.41 bcm/y | 1 | 2017 |
| Atlantic Coast Gas PipelineWest Virginia → North Carolina | United States | Cancelled | 966 km | 15.3 bcm/y | 1 | 2022 |
| Atlantic Coast Gas Pipeline | United States | Cancelled | 61 km | 15.3 bcm/y | 1 | 2021 |
| Atlantic Sunrise Gas PipelineLancaster County → Susquehanna County | United States | Operating | 318 km | 17.4 bcm/y | 1 | 2018 |
| Atlas Gas PipelineQueensland → Queensland | Australia | Operating | 60 km | 0.38 bcm/y | 1 | 2019 |
| Atmos Pipeline TexasTexas → Texas | United States | Operating | 9,173 km | 1.84 bcm/y | 1 | — |
| Attahaddy-km-91.5 Gas Pipeline | Libya | Operating | 40 km | 28.3 bcm/y | 1 | — |
| Atuabo–Takoradi Gas PipelineWestern → Western | Ghana | Operating | 186 km | 1.5 bcm/y | 1 | 2014 |
| Auerstal-Kronstorf Gas Pipeline | Austria | Operating | 185 km | Not reported | 1 | 2014 |
| Augusta Gas PipelineBavaria → Bavaria | Germany | Under construction | 41 km | Not reported | 1 | 2025 |
| Austria–Slovenia Interconnector (SOL) Gas Pipeline | Austria, Slovenia | Proposed | 28 km | Not reported | 1 | 2028 |
| Austria–Slovenia Interconnector (SOL) Gas Pipeline | Austria, Slovenia | Operating | 28 km | Not reported | 1 | 1978 |
| Azerbaijan-Georgia-Romania Interconnector Gas Pipeline (AGRI) | Azerbaijan, Georgia | Cancelled | 920 km | 8 bcm/y | 1 | 2027 |
| Aïn Bya-Bir El Djir Gas PipelineOran → Oran Province | Algeria | Operating | 29 km | Not reported | 1 | 1961 |
| Aïn Djasser-Batna Gas PipelineBatna → Batna | Algeria | Operating | 58 km | Not reported | 1 | 1980 |
| Aïn Djasser-Batna Gas PipelineBatna → Batna | Algeria | Operating | 65 km | Not reported | 1 | 2005 |
| Aïn El Hadjel-M'Sila-Magra Gas PipelineM'Sila → M'Sila | Algeria | Operating | 65 km | Not reported | 1 | 1981 |
| Aïn El Ibel Gas PipelineDjelfa → Djelfa | Algeria | Operating | 30 km | Not reported | 1 | 2004 |
| Aïn Nouïssy Gas PipelineMostaganem → Mostaganem | Algeria | Operating | 20 km | Not reported | 1 | 1973 |
| B-System Project PipelineOhio → Ohio | United States | Cancelled | 33 km | Not reported | 1 | 2019 |
| BC Gas PipelineBritish Columbia → Washington | Canada, United States | Operating | 2,953 km | 34.8 bcm/y | 1 | 1957 |
| BC Gas PipelineBritish Columbia → British Columbia | Canada | Operating | 25 km | 3.68 bcm/y | 1 | 2022 |
| BC Gas PipelineBritish Columbia → British Columbia | Canada | Operating | 13 km | 0.61 bcm/y | 1 | 2021 |
| BC Gas PipelineBritish Columbia → British Columbia | Canada | Operating | 36 km | 1.41 bcm/y | 1 | 2017 |
| BC Gas PipelineBritish Columbia → British Columbia | Canada | Operating | 27 km | 0.51 bcm/y | 1 | 2018 |
| BC Gas PipelineBritish Columbia → British Columbia | Canada | Operating | 0 km | 1.94 bcm/y | 1 | 2021 |
| BC Gas PipelineBritish Columbia → British Columbia | Canada | Operating | 39 km | 2.45 bcm/y | 1 | 2018 |
| BC Gas Pipeline | Canada | Proposed | 18 km | 5.47 bcm/y | 1 | 2026 |
| BC Gas Pipeline | Canada | Proposed | 32 km | 1.82 bcm/y | 1 | 2028 |
| BED/AS–Ameryia Gas PipelineWestern Desert → Alexandria | Egypt | Operating | 160 km | 3.58 bcm/y | 1 | — |
| BOB Siak Gas Pipeline | Indonesia | Operating | 68 km | Not reported | 1 | 2020 |
| BRUA Gas Extra Pipeline | Romania | Operating | 45 km | 15.6 bcm/y | 1 | — |
| BRUA Gas Pipeline | Romania | Operating | 479 km | 1.75 bcm/y | 1 | 2020 |
| BRUA Gas Pipeline | Romania | Cancelled | 50 km | 2.65 bcm/y | 1 | 2022 |
| BRUA Gas Pipeline | Romania | Proposed | 843 km | 5.32 bcm/y | 1 | 2023 |
| BRZ–WHPs–Ras Laffan Gas PipelinePersian Gulf → Al Khor | Qatar | Operating | 77 km | 17.4 bcm/y | 1 | 2022 |
| BRZ–WHPs–Ras Laffan Gas PipelinePersian Gulf → Al Khor | Qatar | Operating | 77 km | 17.4 bcm/y | 1 | — |
| BSOPP Gas PipelineWestern Australia → Western Australia | Australia | Operating | 79 km | Not reported | 1 | 2021 |
| Bab-Habshan–Ruwais gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 100 km | Not reported | 1 | — |
| Bab-Habshan–Umm al-Nar gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 130 km | Not reported | 1 | — |
| Bab-Maqta Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 125 km | Not reported | 1 | — |
| Bac Lieu Gas PipelineBac Lieu → Bac Lieu | Vietnam | Proposed | 35 km | Not reported | 1 | 2027 |
| Bacalhau–RPBC Gas Pipeline | Brazil | Proposed | 355 km | 1.83 bcm/y | 1 | — |
| Bacau Gas Pipeline | Romania | Operating | 31 km | 0.16 bcm/y | 1 | 2004 |
| Badak-Bontang 2 Gas Pipeline | Indonesia | Operating | 57 km | 28.1 bcm/y | 1 | 1983 |
| Badak-Bontang Gas Pipeline | Indonesia | Operating | 57 km | 28.1 bcm/y | 1 | 1976 |
| Badin Gas PipelineSindh → Sindh | Pakistan | Operating | 101 km | 2.04 bcm/y | 1 | 1988 |
| Badr El Din Spur Gas PipelinesWestern Desert → Matruh | Egypt | Operating | 130 km | 1.84 bcm/y | 1 | — |
| Badr El Din Spur Gas PipelinesWestern Desert → Matruh | Egypt | Operating | 130 km | 1.53 bcm/y | 1 | — |
| Badra Oil Field–Wassit PS Gas PipelineWassit → Wassit | Iraq | Operating | 107 km | Not reported | 1 | — |
| Bahar-Hovsan-Surakhani Gas Pipeline | Azerbaijan | Operating | 45 km | 1.8 bcm/y | 1 | 2009 |
| Bahr Assalam–Mellitah Gas Pipeline | Libya | Operating | 109 km | 28 bcm/y | 1 | 2005 |
| Bahr Assalam–Mellitah Gas Pipeline | Libya | Operating | 109 km | 0 bcm/y | 1 | 2018 |
| Baiji-Al Mushraq Gas PipelineSaladin → Mosul | Iraq | Operating | 211 km | 1.64 bcm/y | 1 | — |
| Baiji-K3-Al Kaem Gas PipelineSaladin → Al Anbar | Iraq | Operating | 431 km | 0.02 bcm/y | 1 | — |
| Bajara-Karachi LooplineSindh → Sindh | Pakistan | Operating | 200 km | 2.45 bcm/y | 1 | — |
| Bakhrabad to Chittagong Gas Pipeline | Bangladesh | Operating | 175 km | 3.07 bcm/y | 1 | 1983 |
| Bakhrabad to Demra Gas Pipeline | Bangladesh | Operating | 69 km | 2.56 bcm/y | 1 | 1985 |
| Bakhrabad-Meghnaghat-Haripur Gas Transmission Pipeline | Bangladesh | Under construction | 50 km | Not reported | 1 | 2024 |
| Bakhrabad-Siddhirganj Gas Pipeline | Bangladesh | Operating | 60 km | 4.6 bcm/y | 1 | 2014 |
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.