| Rank | Country | Railways |
22 | Czech Republic | total: 9,632 km standard gauge: 9,530 km 1.435-m gauge (3,165 km electrified) narrow gauge: 102 km 0.750-m gauge (2010) |
61 | Denmark | total: 2,667 km standard gauge: 2,667 km 1.435-m gauge (640 km electrified) (2008) |
| Dhekelia | void |
126 | Djibouti | total: 100 km (Djibouti segment of the 781 km Addis Ababa-Djibouti railway) narrow gauge: 100 km 1.000-m gauge note: railway is under joint control of Djibouti and Ethiopia but is largely inoperable (2010) |
| Dominica | void |
125 | Dominican Republic | total: 142 km standard gauge: 142 km 1.435-m gauge (2010) |
90 | Ecuador | total: 965 km narrow gauge: 965 km 1.067-m gauge (2010) |
34 | Egypt | total: 5,083 km standard gauge: 5,083 km 1.435-m gauge (62 km electrified) (2010) |
121 | El Salvador | total: 283 km narrow gauge: 283 km 0.600-m gauge note: railways have been inoperable since 2005 because of disuse and high costs that led to a lack of maintenance (2010) |
| Equatorial Guinea | void |
119 | Eritrea | total: 306 km narrow gauge: 306 km 0.950-m gauge (2010) |
84 | Estonia | total: 1,196 km broad gauge: 1,196 km 1.520-m and 1.524-m gauge (131 km electrified) (2010) |