| Irig to Coin | 1,403.64 mi (2,258.94 km) |
| Irig to Colindres | 1,155.05 mi (1,858.88 km) |
| Irig to Collado-Villalba | 1,241.99 mi (1,998.79 km) |
| Irig to Colmenar Viejo | 1,229.56 mi (1,978.79 km) |
| Irig to Colmenarejo | 1,244.32 mi (2,002.54 km) |
| Irig to Conil de la Frontera | 1,481.04 mi (2,383.50 km) |
| Irig to Consuegra | 1,255.52 mi (2,020.56 km) |
| Irig to Corbera de Llobregat | 934.65 mi (1,504.17 km) |
| Irig to Cordoba | 1,362.02 mi (2,191.96 km) |
| Irig to Coria del Rio | 1,443.02 mi (2,322.32 km) |
| Irig to Crevillente | 1,162.22 mi (1,870.42 km) |
| Irig to Cuarte de Huerva | 1,068.21 mi (1,719.12 km) |
| Irig to Cubellas | 952.43 mi (1,532.78 km) |
| Irig to Cuellar | 1,237.67 mi (1,991.84 km) |
| Irig to Cuenca | 1,167.75 mi (1,879.30 km) |
