| Key Biscayne to Cockermouth | 4,269.60 mi (6,871.26 km) |
| Key Biscayne to Colchester | 4,469.92 mi (7,193.63 km) |
| Key Biscayne to Coleford | 4,322.51 mi (6,956.40 km) |
| Key Biscayne to Colne | 4,323.10 mi (6,957.36 km) |
| Key Biscayne to Colwyn Bay | 4,265.23 mi (6,864.23 km) |
| Key Biscayne to Congleton | 4,327.18 mi (6,963.92 km) |
| Key Biscayne to Conisbrough | 4,364.89 mi (7,024.61 km) |
| Key Biscayne to Connahs Quay | 4,292.19 mi (6,907.61 km) |
| Key Biscayne to Consett | 4,329.00 mi (6,966.85 km) |
| Key Biscayne to Conwy | 4,259.96 mi (6,855.74 km) |
| Key Biscayne to Cookstown | 4,134.80 mi (6,654.32 km) |
| Key Biscayne to Corby | 4,396.21 mi (7,075.01 km) |
| Key Biscayne to Corfe Mullen | 4,357.90 mi (7,013.36 km) |
| Key Biscayne to Corsham | 4,344.16 mi (6,991.25 km) |
| Key Biscayne to Coseley | 4,338.08 mi (6,981.47 km) |
