| Forest Hills to Clacton-on-Sea | 3,855.63 mi (6,205.04 km) |
| Forest Hills to Clay Cross | 3,716.83 mi (5,981.65 km) |
| Forest Hills to Clayton | 3,683.71 mi (5,928.36 km) |
| Forest Hills to Clayton le Moors | 3,662.75 mi (5,894.63 km) |
| Forest Hills to Cleckheaton | 3,688.87 mi (5,936.66 km) |
| Forest Hills to Cleethorpes | 3,756.71 mi (6,045.85 km) |
| Forest Hills to Clevedon | 3,713.65 mi (5,976.54 km) |
| Forest Hills to Clifton | 3,733.44 mi (6,008.39 km) |
| Forest Hills to Clifton | 3,704.55 mi (5,961.90 km) |
| Forest Hills to Cliftonville | 3,878.59 mi (6,241.98 km) |
| Forest Hills to Clitheroe | 3,659.72 mi (5,889.75 km) |
| Forest Hills to Clydebank | 3,531.27 mi (5,683.03 km) |
| Forest Hills to Coalville | 3,731.65 mi (6,005.51 km) |
| Forest Hills to Coatbridge | 3,545.68 mi (5,706.22 km) |
| Forest Hills to Cobham | 3,811.30 mi (6,133.70 km) |
