| Key Largo to Cosham | 4,437.24 mi (7,141.04 km) |
| Key Largo to Costessey | 4,513.40 mi (7,263.61 km) |
| Key Largo to Cottingham | 4,434.92 mi (7,137.31 km) |
| Key Largo to Coulsdon | 4,471.78 mi (7,196.63 km) |
| Key Largo to Coventry | 4,402.76 mi (7,085.56 km) |
| Key Largo to Cowdenbeath | 4,301.75 mi (6,922.99 km) |
| Key Largo to Cowes | 4,428.00 mi (7,126.18 km) |
| Key Largo to Cowley | 4,454.95 mi (7,169.55 km) |
| Key Largo to Cowley | 4,421.70 mi (7,116.04 km) |
| Key Largo to Cramlington | 4,377.03 mi (7,044.15 km) |
| Key Largo to Cranleigh | 4,459.31 mi (7,176.56 km) |
| Key Largo to Crawley | 4,472.07 mi (7,197.11 km) |
| Key Largo to Crayford | 4,483.94 mi (7,216.21 km) |
| Key Largo to Crewe | 4,358.20 mi (7,013.84 km) |
| Key Largo to Crigglestone | 4,391.21 mi (7,066.97 km) |
