| South River to Cocentaina | 3,816.27 mi (6,141.69 km) |
| South River to Coin | 3,671.48 mi (5,908.68 km) |
| South River to Colindres | 3,538.76 mi (5,695.08 km) |
| South River to Collado-Villalba | 3,588.74 mi (5,775.52 km) |
| South River to Colmenar Viejo | 3,599.58 mi (5,792.96 km) |
| South River to Colmenarejo | 3,590.41 mi (5,778.20 km) |
| South River to Conil de la Frontera | 3,617.85 mi (5,822.37 km) |
| South River to Consuegra | 3,642.14 mi (5,861.46 km) |
| South River to Corbera de Llobregat | 3,845.16 mi (6,188.18 km) |
| South River to Cordoba | 3,632.48 mi (5,845.92 km) |
| South River to Coria del Rio | 3,588.26 mi (5,774.74 km) |
| South River to Crevillente | 3,814.22 mi (6,138.39 km) |
| South River to Cuarte de Huerva | 3,707.42 mi (5,966.51 km) |
| South River to Cubellas | 3,839.54 mi (6,179.14 km) |
| South River to Cuellar | 3,552.55 mi (5,717.28 km) |
