| Summit to Cocentaina | 3,808.01 mi (6,128.39 km) |
| Summit to Coin | 3,664.47 mi (5,897.40 km) |
| Summit to Colindres | 3,529.33 mi (5,679.91 km) |
| Summit to Collado-Villalba | 3,580.30 mi (5,761.94 km) |
| Summit to Colmenar Viejo | 3,591.10 mi (5,779.32 km) |
| Summit to Colmenarejo | 3,581.99 mi (5,764.66 km) |
| Summit to Conil de la Frontera | 3,611.16 mi (5,811.60 km) |
| Summit to Consuegra | 3,634.04 mi (5,848.43 km) |
| Summit to Corbera de Llobregat | 3,835.78 mi (6,173.09 km) |
| Summit to Cordoba | 3,625.07 mi (5,833.98 km) |
| Summit to Coria del Rio | 3,581.21 mi (5,763.40 km) |
| Summit to Crevillente | 3,806.16 mi (6,125.43 km) |
| Summit to Cuarte de Huerva | 3,698.31 mi (5,951.86 km) |
| Summit to Cubellas | 3,830.25 mi (6,164.20 km) |
| Summit to Cuellar | 3,543.89 mi (5,703.34 km) |
