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TRANSPORTATION
Railcars
Longest Metro Systems
This list features the longest subway systems in the world by total tunnel length.
RANK | CITY | LENGTH | STATIONS | LOCATION |
1 | Shanghai Metro | 831 km | 508 | China |
2 | Beijing Subway | 678.2 km | 394 | China |
3 | Guangzhou Metro | 607 km | 320 | China |
4 | London Underground | 402 km | 272 | United Kingdom |
5 | New York City Subway | 399 km | 424 | United States |
6 | Moscow Metro | 397.3 km | 236 | Russia |
7 | Delhi Metro | 389 km | 285 | India |
8 | Seoul Metro | 340.4 km | 315 | South Korea |
9 | Wuhan Metro | 339 km | 228 | China |
10 | Madrid Metro | 293 km | 302 | Spain |
References
NDTV, n.d. 10 largest metro networks in the world. [online] Available at: https://www.ndtv.com/webstories/feature/10-largest-metro-networks-in-the-world-15096 (Accessed 1 December 2025).
TBS News, 2023. 10 largest metro rails in the world. [online] Available at: https://www.tbsnews.net/world/10-largest-metro-rails-world-559090 (Accessed 1 December 2025).
Transport for London, n.d. London Underground. [online] Available at: https://tfl.gov.uk/corporate/about-tfl/culture-and-heritage/londons-transport-a-history/london-underground (Accessed 1 December 2025).
Travel China Guide, n.d. Guangzhou Subway. [online] Available at: https://www.travelchinaguide.com/cityguides/guangdong/guangzhou/subway/ (Accessed 1 December 2025).
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