Tunnels in Turkey

68 tunnels in Turkey, ranked by size. Data from Wikidata and Wikipedia.

1. Zigana Tunnel 14 km
2. Ovit Tunnel 14 km
3. Marmaray Tunnel 14 km
4. Eurasia Tunnel 5 km
5. Cankurtaran Tunnel 5 km
6. Sabuncubeli Tunnel 4 km
7. Orhangazi Tunnel 4 km
8. 75th Anniversary Selatin Tunnel 3 km
9. Honaz Tunnel 3 km
10. Buca Onat Tunnel 3 km
11. Kızılcahamam–Çerkeş Tunnel 2 km
12. Şirinyer Tunnel 2 km
13. Konak Tunnel 2 km
14. Belkahve Tunnel 2 km
15. Hereke Tunnel 0 km
16. 19 Mayıs Tunnel
17. Asarkayası Tunnel
18. Aslanlı Tunnel
19. Ayaş Tunnel
20. Ayran Tunnel
21. Bahçe-Nurdağı Tunnel
22. Bayraklı Tunnels
23. Bayramca Tunnel
24. Beylerbeyi Palace Tunnel
25. Bosporus Water Tunnel
26. Boztepe Tunnel
27. Boğsak Tunnel
28. Deliktaş Tunnel
29. Demirciköy Tunnel
30. Dolmabahçe-Bomonti Tunnel
31. Dranaz Tunnel
32. Elceğiz Tunnel
33. Erkenek Tunnel
34. Ertuğrulgazi Tunnel
35. Gerze Tunnel
36. Great Istanbul Tunnel
37. Göcek Tunnel
38. Gültepe Tunnel
39. Güvenlik Tunnel
40. Havza Tunnel
41. Ilgaz Tunnel
42. Kadıoğlu Tunnel
43. Kağıthane-Piyalepaşa Tunnel
44. Kiliseburnu Tunnel
45. Korutepe Tunnel
46. Kozbükü Tunnel
47. Kırkgeçit Tunnels
48. Kızlaç Tunnel
49. Mount Bolu Tunnel
50. Mount Kop Tunnel
51. Ordu Nefise Akçelik Tunnel
52. Osmangazi Tunnel
53. Salmankaş Tunnel
54. Sarıyer-Çayırbaşı Tunnel
55. Selimiye Tunnel
56. Selçukgazi Tunnel
57. Suruç Water Tunnel
58. Taşoluk Tunnel
59. Tekkebak Tunnel
60. Vespasian Titus Tunnel
61. Yenikent Tunnel
62. Yunus Emre Tunnel
63. Zigana Tunnel
64. Çakıt Tunnel
65. Çiftlik Tunnel
66. İğdir Tunnel
67. Şanlıurfa Irrigation Tunnels
68. Şehzadeler Tunnel