This is a list of the longest underground/surface/elevated subways, metros and rapid transit modules of the world. Not included are suburban and commuter railways such as the S Lines of Milan, the FM of Rome, the RER of Paris, the Belgian Pre-Metro, the urban railways of Australia, the tramways of England, the funiculars of Genoa, Naples and Porto, tramways of Porto and Lisbon, Berlin's S-Bahn, the RENFE of Spain, the KCR of Hong Kong and the other railway systems of Seoul and all other suburban and commuter lines (including those underground).

1. London, United Kingdom : 408 km (181 km underground) - Lines: 12 (the most part with long branches)
2. New York, United States : 368 km (80% underground) - Lines: 26 services (9 independent lines divided in several branches and 3 shuttle services)
3. Tokyo, Japan : 292.3 km (Tokyo Metro 183.2 km, TOEI Subway 109 km) - Lines: 13
4. Seoul, South Korea : 287.4 km - Lines: 8
5. Moscow, Russia : 280.0 km - Lines: 12
6. Madrid, Spain : 226.9 km - Lines: 13 (211 km underground)
7. Paris, France : 212.5 km - Lines: 16
8. Mexico City, Mexico : 201.7 km - Lines: 11
9. Chicago, United States : 173.0 km (the most part is elevated or at grade) - Lines: 7
10. Washington, DC, United States : 169.5 km - Lines: 5
11. San Francisco, United States : 167 km (the most part is at grade) - Lines: 6
12. Berlin, Germany : 146 km - Lines: 9
13. Los Angeles, United States : 118 km - Lines: 4 (35 km are underground, the rest at grade. 3 lines are lightrails)
14. Beijing, China : 114 km - Lines: 4
15. Osaka, Japan : 113.5 km - Lines: 7
16. Saint Petersburg, Russia : 112.0 km - Lines: 4
17. Singapore, Singapore : 109.4 km - Lines: 3
18. Stockholm, Sweden : 108.0 km - Lines: 7 services (3 independent lines)
19. Shanghai, China : 107.8 km (a half part is elevated) - Lines: 5
20. Boston, United States : 101.0 km - Lines: 4
21. Hamburg, Germany : 101.0 km - Lines: 3
22. Hong Kong, PRC : 91.0 km - Lines: 7
23. Busan, South Korea : 89.9 km - Lines: 3
24. Guangzhou, PRC : 89.7 km - Lines: 4
25. Nagoya, Japan : 87.0 km - Lines: 5
26. Munich, Germany : 85.6 km - Lines: 3 (the main lines are 3: 5 branches. on the map it was presented as 6 different lines)
27. Milan, Italy : 84.5 km (62.9 km are underground the rest elevated or at grade) - Lines: 4 (3 have long branches)
28. Barcelona, Spain : 83.7 km - Lines: 5
29. Santiago, Chile : 81.9 km - Lines: 4
30. Taipei, Taiwan : 79.9 km (the most part is at grade) - Lines: 5 (2 lines shared the most part of trails)
31. Atlanta, United States : 79.2 km (14 km underground; the most part is at grade) - Lines: 2
32. Delhi, India : 78.4 km (less than a half part is underground) - Lines: 3
33. Toronto, Canada : 70.0 km - Lines: 4
34. Cairo, Egypt : 65.5 km (the most part is at grade) - Lines: 2
35. Montreal, Canada : 64.0 km - Lines: 4
36. Bucharest, Romania : 62.4 km - Lines: 4
37. Sao Paulo, Brazil : 62.0 km (a half part is elevated or at grade, 258km of CPTM Metro)
38. Philadelphia, United States : 62.0 km (28.6 km are underground) - Lines: 4
39. Wien, Austria : 61.0 km - Lines: 5
40. Saint Louis, United States : 60.5 km (for the most part at grade) - Lines: 1
41. Porto, Portugal : 60.0 km - Lines: 5 (8 km are underground, the rest at grade, 7 services including 1 shuttle)
42. Kiev, Ukraine : 59.2 km - Lines: 3
43. Frankfurt am Main, Germany : 58.7 km - Lines: 7
44. Kuala Lumpur, Malaysia : 56.0 km (completely elevated or at grade)
45. Daegu, South Korea : 54.6 km
46. Tianjin, China : 53.2 km
47. Prague, Czech Republic 53.8 km - Lines: 3
48. Athens, Greece : 52.0 km - Lines: 3
49. Amsterdam, Netherlands : 51.4 km (only 3.5 km are underground, the rest at grade)
50. Valencia, Spain : 49.4 km (the most part is underground)
51. Vancouver, Canada : 49.5 km (all elevated, at grade and underground)
52. Sapporo, Japan : 48.0 km
53. Rotterdam, Netherlands : 48.0 km
54. Manila, Philippines : 45.6 km - Lines: 3 (one line fully elevated, two lines mostly elevated but partially underground and/or at grade)
55. Lille, France : 45.5 km - Lines: 2
56. Caracas, Venezuela : 45.0 km - Lines: 4
57. Köln, Germany : 44.5 km
58. Yokohama, Japan : 44.5 km
59. Bangkok, Thailand : 44.0 km (a half part is elevated or at grade)
60. Valparaìso, Chile : 43.0 km (only 5 km are underground. the rest at grade)
61. Buenos Aires, Argentina : 42.7 km - Lines: 5
62. Kobe, Japan : 41.5 km
63. Tehran, Iran : 41.0 km
64. Tashkent, Uzbekistan : 39.1 km
65. Lyon, France : 37.5 km - Lines: 4
66. Lisbon, Portugal : 37.0 km - Lines: 4
67. Rio de Janeiro, Brazil : 36.5 km (partly elevated)
68. Bilbao, Spain : 36.3 km (a half part is elevated or at grade)
69. Miami, United States : 36.0 km (completely elevated)
70. Rome, Italy : 35.9 km (27.5 km are underground; the rest at grade)
71. Kharkiv, Ukraine : 35.3 km - Lines: 3
72. Porto Alegre, Brazil : 34.5 km (completely at grade)
73. Budapest, Hungary : 33.0 km
74. Brussels, Belgium : 32.2 km
75. Brasilia, Brazil : 31.0 km (the most part is at grade)
76. Cleveland, United States : 31.0 km (only 1 km is underground; the rest is at grade)
77. Baku, Azerbaijan : 30.5 km
78. Belo Horizonte, Brazil : 30.0 km (completely elevate and at grade)
79. Fukuoka, Japan : 29.8 km
80. Medellín, Colombia : 29.9 km (completely elevate and at grade)
81. Nürnberg, Germany : 29.0 km
82. Recife, Brazil : 29.0 km (completely at grade)
83. Istanbul, Turkey : 27.9 km
84. Minsk, Belarus : 27.6 km
85. Kyoto, Japan : 26.4 km
86. Tbilisi, Georgia : 26.3 km
87. Baltimore, United States : 24.5 km (a half part is elevated or at grade)
88. Guadalajara, Mexico : 24.0 km (partly at grade)
89. Ankara, Turkey : 23.1 km (a half part is elevated or at grade)
90. Monterrey, Mexico : 23.0 km (partly elevated)
91. Incheon, South Korea : 23.0 km
92. Pyongyang, North Korea : 22.5 km
93. Essen, Germany : 22.4 km
94. Shenzhen, China : 21.8 km
95. Helsinki, Finland : 21.1 km (7.1 km are underground)
96. Copenhagen, Denmark: 21.0 km (a half part is elevated)
97. Hannover, Germany : 19.5 km (plus 97 km light rail)
98. Marseille, France : 19.3 km
99. Valencia, Spain : 19.0 km
100. Kryvy Rih, Ukraine : 17.7 km (all on the surface)
101. Dortmund, Germany : 17.5 km (plus 37.5 km light rail)
102. Nizhniy Novgorod, Russia : 17.5 km
103. Bursa, Turkey : 17.5 km
104. Warsaw, Poland : 17.3 km
105. San Juan, Puerto Rico : 17.2 km (the most part is elevated or at grade)
106. Nanjing, China : 17.0 km (10.6 km are underground the rest at grade)
107. Calcutta, India : 16.5 km
108. Chennai/Madras, India : 16.0 km (completely elevated)
109. Sendai, Japan : 15.0 km
110. Novosibirsk, Russia : 14.3 km
111. Bochum, Germany : 14.2 km
112. Volgograd, Russia : 13.5 km (only 3.3 km are underground)
113. Napoli, Italy : 13.5 km (4 km are elevated or at grade)
114. Yerevan, Armenia : 13.4 km
115. Wuppertal, Germany: 13.3 km (suspension urban rail line)
116. Edmonton, Canada : 13.1 km (7.6 km on the surface)
117. Toulouse, France : 12.5 km
118. Daejeon, South Korea : 12.4 km
119. Gwangju, South Korea : 11.9 km
120. Izmir, Turkey : 11.5 km
121. Buffalo, United States : 10.6 km
122. Glasgow, United Kingdom : 10.5 km
123. Lima, Peru : 10.0 km (mostly elevated, partly at grade)
124. Sofia, Bulgaria : 9.9 km
125. Rennes, France : 9.0 km
126. Turin, Italy : 8.4 km (all underground)
127. Yekaterinburg, Russia : 8.0 km
128. Dnipropetrovsk, Ukraine : 7.8 km
129. Kazan, Russia : 7.7 km
130. Newark, New Jersey, United States : 6.9 km (PATH not included)
131. Genoa, Italy : 5.6 km
132. Samara, Russia : 4.5 km
133. Catania, Italy : 3.8 km
134. Laon, France : 1.5 km

Monorail, Pre-Metro & People Mover

(Not included: monorails in public parks such as Disney World and similar)

1. Charleroi, Belgium 25.0 km
2. Osaka, Japan 23.8 km
3. Kuala Lumpur, Malaysia 19.2 km
4. Tokyo, Japan 16.9 km
5. Tama, Japan 16.0 km
6. Chiba, Japan 15.5 km
7. Antwerpen, Belgium 15.0 km
8. Chongqing, China 13.5 km
9. Naha, Japan 12.8 km
10. Miami, USA 10.3 km
11. Kitakyushu, Japan 8.8 km
12. Lausanne, Switzerland 7.8 km
13. Buenos Aires, Argentina 7.4 km
14. Jacksonville, USA 7.0 km
15. Shonan, Japan 6.6 km
16. Las Vegas, USA 6.2 km
17. Detroit, USA 4.8 km
18. Newark, New Jersey, USA 4.8 km
19. Moscow, Russia 4.7 km
20. Shenzhen, China 4.4 km
21. Sydney, Australia 3.6 km
22. Düsseldorf, Germany 2.5 km
23. Dortmund, Germany 3.0 km
24. Montreal, Québec, Canada 2.1 km
25. Frankfurt am Main, Germany 2 km
26. Seattle, USA 1.5 km
27. Laon, France 1.5 km
28. Broadbeach, Australia 1.3 km
29. Oeiras, Portugal 1.2 km
30. Inuyama, Japan 1.1 km
31. Tampa Bay, USA 1.1 km
32. Milan, Italy 0.7 km
33. Honolulu, Hawaii, USA 0.5 km

See also

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• Metro systems by annual passenger rides
• Metro systems by number of stations

Rail transport related lists