| Altena to Coin | 1,180.97 mi (1,900.59 km) |
| Altena to Colindres | 752.68 mi (1,211.32 km) |
| Altena to Collado-Villalba | 923.66 mi (1,486.49 km) |
| Altena to Colmenar Viejo | 915.26 mi (1,472.97 km) |
| Altena to Colmenarejo | 928.10 mi (1,493.64 km) |
| Altena to Conil de la Frontera | 1,240.19 mi (1,995.90 km) |
| Altena to Consuegra | 981.57 mi (1,579.68 km) |
| Altena to Corbera de Llobregat | 735.02 mi (1,182.90 km) |
| Altena to Cordoba | 1,107.59 mi (1,782.49 km) |
| Altena to Coria del Rio | 1,178.20 mi (1,896.13 km) |
| Altena to Crevillente | 991.40 mi (1,595.51 km) |
| Altena to Cuarte de Huerva | 784.75 mi (1,262.94 km) |
| Altena to Cubellas | 753.03 mi (1,211.88 km) |
| Altena to Cuellar | 888.89 mi (1,430.54 km) |
| Altena to Cuenca | 907.56 mi (1,460.58 km) |
