| Clacton-on-Sea to Cortona | 774.26 mi (1,246.04 km) |
| Clacton-on-Sea to Cosenza | 1,126.41 mi (1,812.79 km) |
| Clacton-on-Sea to Cossato | 535.75 mi (862.20 km) |
| Clacton-on-Sea to Costa Volpino | 578.52 mi (931.04 km) |
| Clacton-on-Sea to Creazzo | 638.85 mi (1,028.13 km) |
| Clacton-on-Sea to Crema | 590.29 mi (949.98 km) |
| Clacton-on-Sea to Cremona | 613.50 mi (987.33 km) |
| Clacton-on-Sea to Crevalcore | 670.23 mi (1,078.62 km) |
| Clacton-on-Sea to Crispiano | 1,086.22 mi (1,748.11 km) |
| Clacton-on-Sea to Crosia | 1,127.54 mi (1,814.60 km) |
| Clacton-on-Sea to Crotone | 1,165.54 mi (1,875.76 km) |
| Clacton-on-Sea to Cuneo | 590.56 mi (950.42 km) |
| Clacton-on-Sea to Cuorgne | 532.46 mi (856.92 km) |
| Clacton-on-Sea to Cusano Milanino | 565.43 mi (909.98 km) |
| Clacton-on-Sea to Cutro | 1,164.17 mi (1,873.55 km) |
