| Carson to Cocentaina | 6,035.41 mi (9,713.06 km) |
| Carson to Coin | 5,953.81 mi (9,581.72 km) |
| Carson to Colindres | 5,704.92 mi (9,181.18 km) |
| Carson to Collado-Villalba | 5,806.94 mi (9,345.37 km) |
| Carson to Colmenar Viejo | 5,815.47 mi (9,359.09 km) |
| Carson to Colmenarejo | 5,809.85 mi (9,350.05 km) |
| Carson to Conil de la Frontera | 5,914.67 mi (9,518.74 km) |
| Carson to Consuegra | 5,875.73 mi (9,456.08 km) |
| Carson to Corbera de Llobregat | 5,999.93 mi (9,655.96 km) |
| Carson to Cordoba | 5,898.26 mi (9,492.33 km) |
| Carson to Coria del Rio | 5,871.42 mi (9,449.13 km) |
| Carson to Crevillente | 6,043.94 mi (9,726.78 km) |
| Carson to Cuarte de Huerva | 5,884.51 mi (9,470.20 km) |
| Carson to Cubellas | 6,000.22 mi (9,656.42 km) |
| Carson to Cuellar | 5,760.51 mi (9,270.65 km) |
