| Columbia Heights to Clacton-on-Sea | 4,041.40 mi (6,504.00 km) |
| Columbia Heights to Clay Cross | 3,899.42 mi (6,275.51 km) |
| Columbia Heights to Clayton | 3,862.92 mi (6,216.77 km) |
| Columbia Heights to Clayton le Moors | 3,843.27 mi (6,185.14 km) |
| Columbia Heights to Cleckheaton | 3,868.27 mi (6,225.38 km) |
| Columbia Heights to Cleethorpes | 3,933.47 mi (6,330.30 km) |
| Columbia Heights to Clevedon | 3,911.28 mi (6,294.59 km) |
| Columbia Heights to Clifton | 3,917.27 mi (6,304.24 km) |
| Columbia Heights to Clifton | 3,880.84 mi (6,245.62 km) |
| Columbia Heights to Cliftonville | 4,066.34 mi (6,544.14 km) |
| Columbia Heights to Clitheroe | 3,839.57 mi (6,179.20 km) |
| Columbia Heights to Clydebank | 3,700.58 mi (5,955.51 km) |
| Columbia Heights to Coalville | 3,917.15 mi (6,304.05 km) |
| Columbia Heights to Coatbridge | 3,714.52 mi (5,977.95 km) |
| Columbia Heights to Cobham | 4,003.87 mi (6,443.60 km) |
