| Cwmbran to Clacton-on-Sea | 178.57 mi (287.39 km) |
| Cwmbran to Clay Cross | 124.45 mi (200.28 km) |
| Cwmbran to Clayton | 155.53 mi (250.31 km) |
| Cwmbran to Clayton le Moors | 149.02 mi (239.82 km) |
| Cwmbran to Cleckheaton | 153.19 mi (246.53 km) |
| Cwmbran to Cleethorpes | 181.85 mi (292.66 km) |
| Cwmbran to Clevedon | 16.50 mi (26.55 km) |
| Cwmbran to Clifton | 116.39 mi (187.31 km) |
| Cwmbran to Clifton | 179.22 mi (288.42 km) |
| Cwmbran to Cliftonville | 191.11 mi (307.57 km) |
| Cwmbran to Clitheroe | 155.50 mi (250.25 km) |
| Cwmbran to Clydebank | 298.76 mi (480.81 km) |
| Cwmbran to Coalville | 101.84 mi (163.90 km) |
| Cwmbran to Coatbridge | 293.73 mi (472.71 km) |
| Cwmbran to Cobham | 114.57 mi (184.38 km) |
