| Countries (A to Z) |
Description |
| Argentina |
20,858 km 1.676-m gauge (141 km electrified) |
| Armenia |
839 km 1.520-m gauge (828 km electrified) |
| Australia |
4,015 km 1.600-m gauge |
| Azerbaijan |
2,957 km 1.520-m gauge (1,278 km electrified) (2005) |
| Bangladesh |
946 km 1.676-m gauge |
| Belarus |
5,497 km 1.520-m gauge (874 km electrified) |
| Brazil |
4,877 km 1.600-m gauge (939 km electrified) |
| Chile |
2,831 km 1.676-m gauge (1,317 km electrified) |
| Estonia |
958 km 1.520 m/1.524-m gauge (2005) |
| Finland |
5,741 km 1.524-m gauge (2,619 km electrified) (2005) |
| Georgia |
1,575 km 1.520-m gauge (1,575 electrified) |
| Hungary |
36 km 1.524-m gauge |
| India |
45,718 km 1.676-m gauge (16,528 km electrified) |
| Iran |
94 km 1.676-m gauge |
| Ireland |
1,947 km 1.600-m gauge (46 km electrified) |
| Kazakhstan |
13,700 km 1.520-m gauge (3,700 km electrified) (2005) |
| Kyrgyzstan |
470 km 1.520-m gauge (2005) |
| Latvia |
2,270 km 1.520-m gauge (257 km electrified) |
| Lithuania |
1,749 km 1.524-m gauge (122 km electrified) |
| Moldova |
1,124 km 1.520-m gauge |
| Mongolia |
1,810 km 1.524-m gauge (2005) |
| Pakistan |
7,718 km 1.676-m gauge (293 km electrified) |
| Poland |
629 km 1.524-m gauge |
| Portugal |
2,576 km 1.668-m gauge (623 km electrified) |
| Romania |
60 km 1.524-m gauge |
| Russia |
86,200 km 1.520-m gauge (40,300 km electrified) |
| Slovakia |
100 km 1.520-m gauge |
| Spain |
11,919 km 1.668-m gauge (6,950 km electrified) |
| Sri Lanka |
1,449 km 1.676-m gauge (2005) |
| Tajikistan |
482 km 1.520-m gauge (2005) |
| Turkmenistan |
2,440 km 1.520-m gauge (2005) |
| Ukraine |
22,473 km 1.524-m gauge (9,250 km electrified) (2005) |
| United Kingdom |
342 km 1.600-m gauge (in Northern Ireland) (2005) |
| Uzbekistan |
3,950 km 1.520-m gauge (620 km electrified) (2005) |