| Rank | Country | dual gauge | Railways |
| Chad | | void |
| Chile | | total: 7,082 km broad gauge: 3,435 km 1.676-m gauge (850 km electrified) narrow gauge: 3,647 km 1.000-m gauge (2010) |
| China | | total: 86,000 km standard gauge: 86,000 km 1.435-m gauge (36,000 km electrified) (2009) |
| Christmas Island | | total: 18 km standard gauge: 18 km 1.435-m (not in operation) (2010) |
| Clipperton Island | | void |
| Cocos (Keeling) Islands | | void |
| Colombia | | total: 874 km standard gauge: 150 km 1.435-m gauge narrow gauge: 498 km 0.950-m gauge; 226 km 0.914-m gauge (2010) |
| Comoros | | void |
| Congo, Democratic Republic of the | | total: 4,007 km narrow gauge: 3,882 km 1.067-m gauge (858 km electrified); 125 km 1.000-m gauge (2010) |
| Congo, Republic of the | | total: 886 km narrow gauge: 886 km 1.067-m gauge (2010) |
| Cook Islands | | void |
| Coral Sea Islands | | void |
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This page was last updated on 2 February, 2012 |
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