| Severn to Cocentaina | 3,966.04 mi (6,382.72 km) |
| Severn to Coin | 3,818.72 mi (6,145.63 km) |
| Severn to Colindres | 3,690.26 mi (5,938.90 km) |
| Severn to Collado-Villalba | 3,738.84 mi (6,017.08 km) |
| Severn to Colmenar Viejo | 3,749.74 mi (6,034.62 km) |
| Severn to Colmenarejo | 3,740.46 mi (6,019.69 km) |
| Severn to Conil de la Frontera | 3,764.33 mi (6,058.11 km) |
| Severn to Consuegra | 3,791.63 mi (6,102.04 km) |
| Severn to Corbera de Llobregat | 3,996.59 mi (6,431.90 km) |
| Severn to Cordoba | 3,780.63 mi (6,084.34 km) |
| Severn to Coria del Rio | 3,735.58 mi (6,011.83 km) |
| Severn to Crevillente | 3,963.62 mi (6,378.83 km) |
| Severn to Cuarte de Huerva | 3,858.51 mi (6,209.68 km) |
| Severn to Cubellas | 3,990.86 mi (6,422.67 km) |
| Severn to Cuellar | 3,703.01 mi (5,959.42 km) |
