| Radford to Cocentaina | 4,216.34 mi (6,785.54 km) |
| Radford to Coin | 4,066.52 mi (6,544.44 km) |
| Radford to Colindres | 3,941.85 mi (6,343.80 km) |
| Radford to Collado-Villalba | 3,989.43 mi (6,420.37 km) |
| Radford to Colmenar Viejo | 4,000.38 mi (6,437.99 km) |
| Radford to Colmenarejo | 3,991.02 mi (6,422.92 km) |
| Radford to Conil de la Frontera | 4,011.33 mi (6,455.61 km) |
| Radford to Consuegra | 4,041.69 mi (6,504.47 km) |
| Radford to Corbera de Llobregat | 4,248.14 mi (6,836.72 km) |
| Radford to Cordoba | 4,029.39 mi (6,484.67 km) |
| Radford to Coria del Rio | 3,983.49 mi (6,410.80 km) |
| Radford to Crevillente | 4,213.58 mi (6,781.10 km) |
| Radford to Cuarte de Huerva | 4,109.86 mi (6,614.18 km) |
| Radford to Cubellas | 4,242.34 mi (6,827.39 km) |
| Radford to Cuellar | 3,953.90 mi (6,363.19 km) |
