| Clacton-on-Sea to Colchester | 12.45 mi (20.04 km) |
| Clacton-on-Sea to Coleford | 160.75 mi (258.70 km) |
| Clacton-on-Sea to Colne | 198.85 mi (320.02 km) |
| Clacton-on-Sea to Colwyn Bay | 228.36 mi (367.51 km) |
| Clacton-on-Sea to Congleton | 170.23 mi (273.96 km) |
| Clacton-on-Sea to Conisbrough | 153.24 mi (246.62 km) |
| Clacton-on-Sea to Connahs Quay | 202.32 mi (325.60 km) |
| Clacton-on-Sea to Consett | 244.35 mi (393.24 km) |
| Clacton-on-Sea to Conwy | 232.96 mi (374.91 km) |
| Clacton-on-Sea to Cookstown | 381.09 mi (613.31 km) |
| Clacton-on-Sea to Corby | 91.90 mi (147.90 km) |
| Clacton-on-Sea to Corfe Mullen | 153.84 mi (247.58 km) |
| Clacton-on-Sea to Corsham | 145.01 mi (233.38 km) |
| Clacton-on-Sea to Coseley | 146.49 mi (235.75 km) |
| Clacton-on-Sea to Cosham | 115.86 mi (186.46 km) |
