| Fort Washington to Cocentaina | 3,993.28 mi (6,426.56 km) |
| Fort Washington to Coin | 3,844.65 mi (6,187.37 km) |
| Fort Washington to Colindres | 3,718.66 mi (5,984.60 km) |
| Fort Washington to Collado-Villalba | 3,766.28 mi (6,061.23 km) |
| Fort Washington to Colmenar Viejo | 3,777.21 mi (6,078.83 km) |
| Fort Washington to Colmenarejo | 3,767.87 mi (6,063.80 km) |
| Fort Washington to Conil de la Frontera | 3,789.92 mi (6,099.28 km) |
| Fort Washington to Consuegra | 3,818.72 mi (6,145.63 km) |
| Fort Washington to Corbera de Llobregat | 4,024.93 mi (6,477.50 km) |
| Fort Washington to Cordoba | 3,807.01 mi (6,126.78 km) |
| Fort Washington to Coria del Rio | 3,761.56 mi (6,053.64 km) |
| Fort Washington to Crevillente | 3,990.65 mi (6,422.33 km) |
| Fort Washington to Cuarte de Huerva | 3,886.60 mi (6,254.87 km) |
| Fort Washington to Cubellas | 4,019.11 mi (6,468.13 km) |
| Fort Washington to Cuellar | 3,730.68 mi (6,003.94 km) |
