| Gagnef to Cocentaina | 1,652.24 mi (2,659.02 km) |
| Gagnef to Coin | 1,868.52 mi (3,007.10 km) |
| Gagnef to Colindres | 1,415.35 mi (2,277.79 km) |
| Gagnef to Collado-Villalba | 1,600.30 mi (2,575.44 km) |
| Gagnef to Colmenar Viejo | 1,593.52 mi (2,564.52 km) |
| Gagnef to Colmenarejo | 1,605.06 mi (2,583.09 km) |
| Gagnef to Conil de la Frontera | 1,921.81 mi (3,092.86 km) |
| Gagnef to Consuegra | 1,666.17 mi (2,681.45 km) |
| Gagnef to Corbera de Llobregat | 1,437.24 mi (2,313.01 km) |
| Gagnef to Cordoba | 1,791.09 mi (2,882.48 km) |
| Gagnef to Coria del Rio | 1,856.30 mi (2,987.42 km) |
| Gagnef to Crevillente | 1,691.14 mi (2,721.63 km) |
| Gagnef to Cuarte de Huerva | 1,477.04 mi (2,377.07 km) |
| Gagnef to Cubellas | 1,455.02 mi (2,341.63 km) |
| Gagnef to Cuellar | 1,558.71 mi (2,508.51 km) |
