| Sidmouth to Cocentaina | 835.84 mi (1,345.15 km) |
| Sidmouth to Coin | 971.11 mi (1,562.85 km) |
| Sidmouth to Colindres | 503.32 mi (810.02 km) |
| Sidmouth to Collado-Villalba | 695.14 mi (1,118.72 km) |
| Sidmouth to Colmenar Viejo | 692.85 mi (1,115.04 km) |
| Sidmouth to Colmenarejo | 700.17 mi (1,126.81 km) |
| Sidmouth to Conil de la Frontera | 1,005.82 mi (1,618.72 km) |
| Sidmouth to Consuegra | 775.30 mi (1,247.73 km) |
| Sidmouth to Corbera de Llobregat | 685.94 mi (1,103.91 km) |
| Sidmouth to Cordoba | 887.31 mi (1,427.99 km) |
| Sidmouth to Coria del Rio | 935.93 mi (1,506.24 km) |
| Sidmouth to Crevillente | 867.12 mi (1,395.49 km) |
| Sidmouth to Cuarte de Huerva | 638.19 mi (1,027.07 km) |
| Sidmouth to Cubellas | 695.18 mi (1,118.79 km) |
| Sidmouth to Cuellar | 643.17 mi (1,035.09 km) |
