| Key Largo to Cromer | 4,513.80 mi (7,264.26 km) |
| Key Largo to Crosby | 4,330.83 mi (6,969.80 km) |
| Key Largo to Crowborough | 4,487.50 mi (7,221.93 km) |
| Key Largo to Croxley Green | 4,455.20 mi (7,169.95 km) |
| Key Largo to Croydon | 4,472.43 mi (7,197.67 km) |
| Key Largo to Cudworth | 4,396.16 mi (7,074.93 km) |
| Key Largo to Culcheth | 4,352.05 mi (7,003.95 km) |
| Key Largo to Cullercoats | 4,383.39 mi (7,054.38 km) |
| Key Largo to Cumbernauld | 4,277.79 mi (6,884.43 km) |
| Key Largo to Cumnock | 4,269.70 mi (6,871.41 km) |
| Key Largo to Cupar | 4,313.63 mi (6,942.11 km) |
| Key Largo to Cwmbran | 4,345.78 mi (6,993.85 km) |
| Key Largo to Dagenham | 4,481.26 mi (7,211.90 km) |
| Key Largo to Dalkeith | 4,314.17 mi (6,942.98 km) |
| Key Largo to Darfield | 4,397.88 mi (7,077.71 km) |
