| Unye to Cocentaina | 1,989.62 mi (3,201.99 km) |
| Unye to Coin | 2,259.06 mi (3,635.61 km) |
| Unye to Colindres | 2,067.80 mi (3,327.80 km) |
| Unye to Collado-Villalba | 2,136.69 mi (3,438.67 km) |
| Unye to Colmenar Viejo | 2,123.94 mi (3,418.15 km) |
| Unye to Colmenarejo | 2,138.40 mi (3,441.43 km) |
| Unye to Conil de la Frontera | 2,338.12 mi (3,762.84 km) |
| Unye to Consuegra | 2,138.00 mi (3,440.77 km) |
| Unye to Corbera de Llobregat | 1,822.90 mi (2,933.68 km) |
| Unye to Cordoba | 2,231.66 mi (3,591.51 km) |
| Unye to Coria del Rio | 2,311.17 mi (3,719.47 km) |
| Unye to Crevillente | 2,018.88 mi (3,249.07 km) |
| Unye to Cuarte de Huerva | 1,964.93 mi (3,162.25 km) |
| Unye to Cubellas | 1,838.87 mi (2,959.37 km) |
| Unye to Cuellar | 2,139.14 mi (3,442.62 km) |
