Tunnels in Japan

77 tunnels in Japan, ranked by size. Data from Wikidata and Wikipedia.

1. Ishikawa Tunnel 79 km
2. Seikan Tunnel 54 km
3. Oshima Tunnel 33 km
4. Hakkōda Tunnel 26 km
5. Sasson Tunnel 26 km
6. Iwate-Ichinohe Tunnel 26 km
7. Tokyo Bay Aqua-Line 24 km
8. Daishimizu Tunnel 22 km
9. Shin-Kanmon Tunnel 19 km
10. Yamate Tunnel 18 km
11. Rokko Tunnel 16 km
12. Haruna Tunnel 15 km
13. Gorigamine Tunnel 15 km
14. Nakayama Tunnel 15 km
15. Hokuriku 14 km
16. Shin-shimizu Tunnel 13 km
17. Aki Tunnel 13 km
18. Fukushima Tunnel 12 km
19. Kubiki Tunnel 11 km
20. Shiozawa Tunnel 11 km
21. Zao Tunnel 11 km
22. Kan-Etsu Tunnel 11 km
23. Hida Tunnel 11 km
24. Shimizu Tunnel 10 km
25. Nabetachiyama Tunnel 9 km
26. Enasan Tunnel 8 km
27. Fukuoka tunnel 8 km
28. Kobe Tunnel 8 km
29. Shin-Tanna Tunnel 8 km
30. Tanna Tunnel 8 km
31. Karisaka Tunnel 7 km
32. Enrei Tunnel 6 km
33. Tsugaru Tunnel 6 km
34. Shin-Noborikawa Tunnel 6 km
35. Senzan Tunnel 5 km
36. Nozuka Pass 4 km
37. Kanmon Railway Tunnel 4 km
38. Kanmon Roadway Tunnel 3 km
39. Nihonzaka Tunnel 2 km
40. Shin-Karikachi Tunnel 1 km
41. Tarusawa Tunnel 0 km
42. Aigi Tunnel
43. Aioi Tunnel
44. Akakura Tunnel
45. Akima Tunnel
46. Amagi Tunnel
47. Aonodōmon
48. Bentenyama Tunnel
49. Gyoko-dori Underground Gallery
50. Hiyoshi tunnels
51. Horikoshi Tunnel
52. Hosaka Tunnel
53. Izumigoshi Tunnel
54. Kanbara Tunnel
55. Kashimagari Tunnel
56. Kinuura Tunnel
57. Kirigatake Tunnel
58. Kitakyushu tunnel
59. Makinohara Tunnel
60. Masaki Tunnel
61. Nagasaki Tunnel
62. Nakayama Zuido
63. Nangosan Tunnel
64. Nasu Tunnel
65. Ohara Tunnel
66. Otowayama Tunnel
67. Sakanashi Tunnel
68. Sakhalin–Hokkaidō Tunnel
69. Sannohe Tunnel
70. Sasago Tunnel
71. Shin-Kobe Tunnel
72. Shiodani Tunnel
73. Tutiyu Tunnel
74. Uonuma Tunnel
75. Yui Tunnel
76. Yumesaki Tunnel
77. Ōhikage Tunnel