| Valongo to Coin | 371.41 mi (597.73 km) |
| Valongo to Colindres | 300.01 mi (482.82 km) |
| Valongo to Collado-Villalba | 237.58 mi (382.34 km) |
| Valongo to Colmenar Viejo | 249.77 mi (401.97 km) |
| Valongo to Colmenarejo | 238.11 mi (383.21 km) |
| Valongo to Conil de la Frontera | 363.78 mi (585.45 km) |
| Valongo to Consuegra | 283.84 mi (456.80 km) |
| Valongo to Corbera de Llobregat | 541.38 mi (871.26 km) |
| Valongo to Cordoba | 302.02 mi (486.05 km) |
| Valongo to Coria del Rio | 299.64 mi (482.22 km) |
| Valongo to Crevillente | 456.06 mi (733.96 km) |
| Valongo to Cuarte de Huerva | 393.97 mi (634.03 km) |
| Valongo to Cubellas | 528.62 mi (850.73 km) |
| Valongo to Cuellar | 217.83 mi (350.56 km) |
| Valongo to Cuenca | 341.73 mi (549.97 km) |
