| Security-Widefield to Caldicot | 4,632.35 mi (7,455.05 km) |
| Security-Widefield to Calne | 4,664.74 mi (7,507.18 km) |
| Security-Widefield to Cam | 4,641.74 mi (7,470.16 km) |
| Security-Widefield to Camberley | 4,713.44 mi (7,585.54 km) |
| Security-Widefield to Camborne | 4,592.19 mi (7,390.42 km) |
| Security-Widefield to Cambridge | 4,708.44 mi (7,577.50 km) |
| Security-Widefield to Cambuslang | 4,425.40 mi (7,122.00 km) |
| Security-Widefield to Canford Cliffs | 4,696.46 mi (7,558.23 km) |
| Security-Widefield to Cannock | 4,615.12 mi (7,427.32 km) |
| Security-Widefield to Canterbury | 4,779.34 mi (7,691.60 km) |
| Security-Widefield to Carlisle | 4,500.17 mi (7,242.32 km) |
| Security-Widefield to Carlton Colville | 4,751.89 mi (7,647.43 km) |
| Security-Widefield to Carluke | 4,439.50 mi (7,144.69 km) |
| Security-Widefield to Carnoustie | 4,448.15 mi (7,158.61 km) |
| Security-Widefield to Carshalton | 4,732.38 mi (7,616.03 km) |
