| Clacton-on-Sea to Cernavoda | 1,334.41 mi (2,147.52 km) |
| Clacton-on-Sea to Chitila | 1,242.67 mi (1,999.89 km) |
| Clacton-on-Sea to Cisnadie | 1,123.06 mi (1,807.39 km) |
| Clacton-on-Sea to Cluj-Napoca | 1,064.22 mi (1,712.70 km) |
| Clacton-on-Sea to Codlea | 1,177.65 mi (1,895.24 km) |
| Clacton-on-Sea to Comanesti | 1,195.86 mi (1,924.56 km) |
| Clacton-on-Sea to Comarnic | 1,201.20 mi (1,933.15 km) |
| Clacton-on-Sea to Constanta | 1,365.82 mi (2,198.07 km) |
| Clacton-on-Sea to Corabia | 1,210.38 mi (1,947.91 km) |
| Clacton-on-Sea to Costesti | 1,191.05 mi (1,916.81 km) |
| Clacton-on-Sea to Covasna | 1,203.62 mi (1,937.04 km) |
| Clacton-on-Sea to Craiova | 1,160.28 mi (1,867.30 km) |
| Clacton-on-Sea to Cristuru Secuiesc | 1,140.59 mi (1,835.60 km) |
| Clacton-on-Sea to Cugir | 1,085.75 mi (1,747.34 km) |
| Clacton-on-Sea to Cumpana | 1,364.58 mi (2,196.08 km) |
