| Key Biscayne to Clacton-on-Sea | 4,481.33 mi (7,212.00 km) |
| Key Biscayne to Clay Cross | 4,360.20 mi (7,017.07 km) |
| Key Biscayne to Clayton | 4,338.38 mi (6,981.94 km) |
| Key Biscayne to Clayton le Moors | 4,315.31 mi (6,944.82 km) |
| Key Biscayne to Cleckheaton | 4,342.70 mi (6,988.89 km) |
| Key Biscayne to Cleethorpes | 4,413.20 mi (7,102.36 km) |
| Key Biscayne to Clevedon | 4,315.57 mi (6,945.23 km) |
| Key Biscayne to Clifton | 4,372.35 mi (7,036.62 km) |
| Key Biscayne to Clifton | 4,365.62 mi (7,025.79 km) |
| Key Biscayne to Cliftonville | 4,497.32 mi (7,237.73 km) |
| Key Biscayne to Clitheroe | 4,314.24 mi (6,943.09 km) |
| Key Biscayne to Clydebank | 4,221.92 mi (6,794.53 km) |
| Key Biscayne to Coalville | 4,366.14 mi (7,026.62 km) |
| Key Biscayne to Coatbridge | 4,236.56 mi (6,818.09 km) |
| Key Biscayne to Cobham | 4,420.96 mi (7,114.85 km) |
