| South Houston to Clacton-on-Sea | 4,890.49 mi (7,870.48 km) |
| South Houston to Clay Cross | 4,754.57 mi (7,651.75 km) |
| South Houston to Clayton | 4,723.69 mi (7,602.04 km) |
| South Houston to Clayton le Moors | 4,702.09 mi (7,567.29 km) |
| South Houston to Cleckheaton | 4,728.71 mi (7,610.12 km) |
| South Houston to Cleethorpes | 4,797.67 mi (7,721.11 km) |
| South Houston to Clevedon | 4,741.35 mi (7,630.47 km) |
| South Houston to Clifton | 4,770.31 mi (7,677.08 km) |
| South Houston to Clifton | 4,746.08 mi (7,638.07 km) |
| South Houston to Cliftonville | 4,911.99 mi (7,905.08 km) |
| South Houston to Clitheroe | 4,699.46 mi (7,563.06 km) |
| South Houston to Clydebank | 4,577.46 mi (7,366.71 km) |
| South Houston to Coalville | 4,767.49 mi (7,672.53 km) |
| South Houston to Coatbridge | 4,592.02 mi (7,390.14 km) |
| South Houston to Cobham | 4,841.89 mi (7,792.27 km) |
