| Fort Thomas to Clacton-on-Sea | 3,996.71 mi (6,432.08 km) |
| Fort Thomas to Clay Cross | 3,860.83 mi (6,213.41 km) |
| Fort Thomas to Clayton | 3,830.07 mi (6,163.90 km) |
| Fort Thomas to Clayton le Moors | 3,808.44 mi (6,129.08 km) |
| Fort Thomas to Cleckheaton | 3,835.08 mi (6,171.96 km) |
| Fort Thomas to Cleethorpes | 3,904.12 mi (6,283.07 km) |
| Fort Thomas to Clevedon | 3,847.94 mi (6,192.65 km) |
| Fort Thomas to Clifton | 3,876.55 mi (6,238.70 km) |
| Fort Thomas to Clifton | 3,852.59 mi (6,200.14 km) |
| Fort Thomas to Cliftonville | 4,018.25 mi (6,466.74 km) |
| Fort Thomas to Clitheroe | 3,805.83 mi (6,124.90 km) |
| Fort Thomas to Clydebank | 3,684.76 mi (5,930.05 km) |
| Fort Thomas to Coalville | 3,873.71 mi (6,234.13 km) |
| Fort Thomas to Coatbridge | 3,699.35 mi (5,953.52 km) |
| Fort Thomas to Cobham | 3,948.27 mi (6,354.13 km) |
