| Allendale to Clacton-on-Sea | 3,871.75 mi (6,230.98 km) |
| Allendale to Clay Cross | 3,732.76 mi (6,007.30 km) |
| Allendale to Clayton | 3,699.47 mi (5,953.73 km) |
| Allendale to Clayton le Moors | 3,678.58 mi (5,920.09 km) |
| Allendale to Cleckheaton | 3,704.65 mi (5,962.05 km) |
| Allendale to Cleethorpes | 3,772.38 mi (6,071.06 km) |
| Allendale to Clevedon | 3,730.28 mi (6,003.31 km) |
| Allendale to Clifton | 3,749.43 mi (6,034.13 km) |
| Allendale to Clifton | 3,720.19 mi (5,987.06 km) |
| Allendale to Cliftonville | 3,894.81 mi (6,268.09 km) |
| Allendale to Clitheroe | 3,675.51 mi (5,915.16 km) |
| Allendale to Clydebank | 3,546.52 mi (5,707.57 km) |
| Allendale to Coalville | 3,747.73 mi (6,031.38 km) |
| Allendale to Coatbridge | 3,560.91 mi (5,730.73 km) |
| Allendale to Cobham | 3,827.73 mi (6,160.14 km) |
