| Severn to Clacton-on-Sea | 3,685.81 mi (5,931.74 km) |
| Severn to Clay Cross | 3,554.40 mi (5,720.25 km) |
| Severn to Clayton | 3,526.77 mi (5,675.78 km) |
| Severn to Clayton le Moors | 3,504.45 mi (5,639.86 km) |
| Severn to Cleckheaton | 3,531.55 mi (5,683.48 km) |
| Severn to Cleethorpes | 3,601.61 mi (5,796.22 km) |
| Severn to Clevedon | 3,530.06 mi (5,681.09 km) |
| Severn to Clifton | 3,568.90 mi (5,743.60 km) |
| Severn to Clifton | 3,551.23 mi (5,715.16 km) |
| Severn to Cliftonville | 3,705.51 mi (5,963.44 km) |
| Severn to Clitheroe | 3,502.40 mi (5,636.58 km) |
| Severn to Clydebank | 3,391.73 mi (5,458.47 km) |
| Severn to Coalville | 3,564.81 mi (5,737.01 km) |
| Severn to Coatbridge | 3,406.44 mi (5,482.14 km) |
| Severn to Cobham | 3,632.84 mi (5,846.49 km) |
