| Key West to Caldicot | 4,444.31 mi (7,152.43 km) |
| Key West to Calne | 4,477.48 mi (7,205.81 km) |
| Key West to Cam | 4,459.61 mi (7,177.05 km) |
| Key West to Camberley | 4,532.39 mi (7,294.17 km) |
| Key West to Camborne | 4,346.00 mi (6,994.22 km) |
| Key West to Cambridge | 4,558.73 mi (7,336.56 km) |
| Key West to Cambuslang | 4,354.89 mi (7,008.53 km) |
| Key West to Canford Cliffs | 4,488.37 mi (7,223.33 km) |
| Key West to Cannock | 4,464.30 mi (7,184.59 km) |
| Key West to Canterbury | 4,610.53 mi (7,419.93 km) |
| Key West to Carlisle | 4,408.72 mi (7,095.14 km) |
| Key West to Carlton Colville | 4,621.00 mi (7,436.78 km) |
| Key West to Carluke | 4,368.28 mi (7,030.07 km) |
| Key West to Carnoustie | 4,406.59 mi (7,091.72 km) |
| Key West to Carshalton | 4,556.48 mi (7,332.94 km) |
