| Security-Widefield to Cromer | 4,719.22 mi (7,594.84 km) |
| Security-Widefield to Crosby | 4,549.84 mi (7,322.26 km) |
| Security-Widefield to Crowborough | 4,756.23 mi (7,654.42 km) |
| Security-Widefield to Croxley Green | 4,711.34 mi (7,582.17 km) |
| Security-Widefield to Croydon | 4,734.09 mi (7,618.79 km) |
| Security-Widefield to Cudworth | 4,601.68 mi (7,405.69 km) |
| Security-Widefield to Culcheth | 4,568.80 mi (7,352.77 km) |
| Security-Widefield to Cullercoats | 4,544.96 mi (7,314.41 km) |
| Security-Widefield to Cumbernauld | 4,426.57 mi (7,123.87 km) |
| Security-Widefield to Cumnock | 4,435.42 mi (7,138.11 km) |
| Security-Widefield to Cupar | 4,445.10 mi (7,153.70 km) |
| Security-Widefield to Cwmbran | 4,620.29 mi (7,435.64 km) |
| Security-Widefield to Dagenham | 4,736.13 mi (7,622.07 km) |
| Security-Widefield to Dalkeith | 4,459.12 mi (7,176.26 km) |
| Security-Widefield to Darfield | 4,604.39 mi (7,410.06 km) |
