| Rickmansworth to Cocentaina | 890.84 mi (1,433.67 km) |
| Rickmansworth to Coin | 1,055.54 mi (1,698.73 km) |
| Rickmansworth to Colindres | 586.07 mi (943.18 km) |
| Rickmansworth to Collado-Villalba | 778.81 mi (1,253.38 km) |
| Rickmansworth to Colmenar Viejo | 774.66 mi (1,246.70 km) |
| Rickmansworth to Colmenarejo | 783.81 mi (1,261.43 km) |
| Rickmansworth to Conil de la Frontera | 1,097.39 mi (1,766.08 km) |
| Rickmansworth to Consuegra | 854.71 mi (1,375.52 km) |
| Rickmansworth to Corbera de Llobregat | 715.26 mi (1,151.10 km) |
| Rickmansworth to Cordoba | 973.13 mi (1,566.10 km) |
| Rickmansworth to Coria del Rio | 1,028.59 mi (1,655.35 km) |
| Rickmansworth to Crevillente | 925.29 mi (1,489.11 km) |
| Rickmansworth to Cuarte de Huerva | 695.06 mi (1,118.59 km) |
| Rickmansworth to Cubellas | 727.61 mi (1,170.97 km) |
| Rickmansworth to Cuellar | 730.34 mi (1,175.37 km) |
