| Key Largo to Clacton-on-Sea | 4,520.72 mi (7,275.39 km) |
| Key Largo to Clay Cross | 4,399.91 mi (7,080.97 km) |
| Key Largo to Clayton | 4,378.24 mi (7,046.10 km) |
| Key Largo to Clayton le Moors | 4,355.16 mi (7,008.95 km) |
| Key Largo to Cleckheaton | 4,382.55 mi (7,053.03 km) |
| Key Largo to Cleethorpes | 4,453.04 mi (7,166.48 km) |
| Key Largo to Clevedon | 4,354.74 mi (7,008.27 km) |
| Key Largo to Clifton | 4,411.99 mi (7,100.42 km) |
| Key Largo to Clifton | 4,405.55 mi (7,090.05 km) |
| Key Largo to Cliftonville | 4,536.60 mi (7,300.94 km) |
| Key Largo to Clitheroe | 4,354.12 mi (7,007.27 km) |
| Key Largo to Clydebank | 4,262.29 mi (6,859.50 km) |
| Key Largo to Coalville | 4,405.72 mi (7,090.32 km) |
| Key Largo to Coatbridge | 4,276.93 mi (6,883.05 km) |
| Key Largo to Cobham | 4,460.17 mi (7,177.94 km) |
