| Clacton-on-Sea to Cocentaina | 904.68 mi (1,455.95 km) |
| Clacton-on-Sea to Coin | 1,084.14 mi (1,744.76 km) |
| Clacton-on-Sea to Colindres | 617.97 mi (994.52 km) |
| Clacton-on-Sea to Collado-Villalba | 808.88 mi (1,301.77 km) |
| Clacton-on-Sea to Colmenar Viejo | 803.77 mi (1,293.54 km) |
| Clacton-on-Sea to Colmenarejo | 813.82 mi (1,309.72 km) |
| Clacton-on-Sea to Conil de la Frontera | 1,129.83 mi (1,818.28 km) |
| Clacton-on-Sea to Consuegra | 881.83 mi (1,419.17 km) |
| Clacton-on-Sea to Corbera de Llobregat | 717.79 mi (1,155.18 km) |
| Clacton-on-Sea to Cordoba | 1,002.96 mi (1,614.10 km) |
| Clacton-on-Sea to Coria del Rio | 1,061.96 mi (1,709.06 km) |
| Clacton-on-Sea to Crevillente | 940.51 mi (1,513.60 km) |
| Clacton-on-Sea to Cuarte de Huerva | 712.00 mi (1,145.86 km) |
| Clacton-on-Sea to Cubellas | 731.56 mi (1,177.33 km) |
| Clacton-on-Sea to Cuellar | 762.75 mi (1,227.53 km) |
