| Valley Center to Cocentaina | 6,015.85 mi (9,681.58 km) |
| Valley Center to Coin | 5,928.95 mi (9,541.72 km) |
| Valley Center to Colindres | 5,688.22 mi (9,154.30 km) |
| Valley Center to Collado-Villalba | 5,786.86 mi (9,313.05 km) |
| Valley Center to Colmenar Viejo | 5,795.58 mi (9,327.08 km) |
| Valley Center to Colmenarejo | 5,789.68 mi (9,317.59 km) |
| Valley Center to Conil de la Frontera | 5,888.45 mi (9,476.54 km) |
| Valley Center to Consuegra | 5,854.66 mi (9,422.17 km) |
| Valley Center to Corbera de Llobregat | 5,984.89 mi (9,631.75 km) |
| Valley Center to Cordoba | 5,874.68 mi (9,454.39 km) |
| Valley Center to Coria del Rio | 5,846.31 mi (9,408.73 km) |
| Valley Center to Crevillente | 6,023.59 mi (9,694.03 km) |
| Valley Center to Cuarte de Huerva | 5,867.59 mi (9,442.97 km) |
| Valley Center to Cubellas | 5,984.77 mi (9,631.56 km) |
| Valley Center to Cuellar | 5,741.05 mi (9,239.33 km) |
