| Clacton-on-Sea to Cividale del Friuli | 680.90 mi (1,095.80 km) |
| Clacton-on-Sea to Civita Castellana | 841.65 mi (1,354.50 km) |
| Clacton-on-Sea to Civitanova Marche | 827.79 mi (1,332.20 km) |
| Clacton-on-Sea to Civitavecchia | 835.41 mi (1,344.46 km) |
| Clacton-on-Sea to Civitella in Val di Chiana | 758.29 mi (1,220.35 km) |
| Clacton-on-Sea to Clusone | 571.05 mi (919.01 km) |
| Clacton-on-Sea to Coccaglio | 588.74 mi (947.49 km) |
| Clacton-on-Sea to Codigoro | 695.26 mi (1,118.90 km) |
| Clacton-on-Sea to Codogno | 602.23 mi (969.19 km) |
| Clacton-on-Sea to Codroipo | 670.49 mi (1,079.05 km) |
| Clacton-on-Sea to Cogoleto | 616.87 mi (992.75 km) |
| Clacton-on-Sea to Colle di Val d'Elsa | 742.07 mi (1,194.24 km) |
| Clacton-on-Sea to Colle Salvetti | 712.18 mi (1,146.15 km) |
| Clacton-on-Sea to Collecchio | 639.92 mi (1,029.86 km) |
| Clacton-on-Sea to Colleferro | 891.35 mi (1,434.49 km) |
