| Clacton-on-Sea to Carmona | 1,043.27 mi (1,678.98 km) |
| Clacton-on-Sea to Cartagena | 986.00 mi (1,586.81 km) |
| Clacton-on-Sea to Cartama | 1,079.60 mi (1,737.45 km) |
| Clacton-on-Sea to Cartaya | 1,080.82 mi (1,739.41 km) |
| Clacton-on-Sea to Caspe | 731.65 mi (1,177.47 km) |
| Clacton-on-Sea to Cassa de la Selva | 689.00 mi (1,108.84 km) |
| Clacton-on-Sea to Castalla | 915.90 mi (1,473.99 km) |
| Clacton-on-Sea to Castellbisbal | 713.80 mi (1,148.74 km) |
| Clacton-on-Sea to Castelldefels | 727.36 mi (1,170.56 km) |
| Clacton-on-Sea to Castello de Ampurias | 664.88 mi (1,070.02 km) |
| Clacton-on-Sea to Castellon de la Plana | 817.84 mi (1,316.19 km) |
| Clacton-on-Sea to Castilleja de la Cuesta | 1,055.35 mi (1,698.43 km) |
| Clacton-on-Sea to Catarroja | 859.22 mi (1,382.78 km) |
| Clacton-on-Sea to Catral | 946.63 mi (1,523.45 km) |
| Clacton-on-Sea to Caudete | 910.08 mi (1,464.64 km) |
