| Calais to Coin | 1,039.23 mi (1,672.49 km) |
| Calais to Colindres | 577.82 mi (929.91 km) |
| Calais to Collado-Villalba | 766.04 mi (1,232.82 km) |
| Calais to Colmenar Viejo | 760.18 mi (1,223.40 km) |
| Calais to Colmenarejo | 770.91 mi (1,240.66 km) |
| Calais to Conil de la Frontera | 1,087.85 mi (1,750.72 km) |
| Calais to Consuegra | 836.40 mi (1,346.06 km) |
| Calais to Corbera de Llobregat | 658.55 mi (1,059.84 km) |
| Calais to Cordoba | 959.21 mi (1,543.70 km) |
| Calais to Coria del Rio | 1,020.94 mi (1,643.04 km) |
| Calais to Crevillente | 887.04 mi (1,427.55 km) |
| Calais to Cuarte de Huerva | 660.34 mi (1,062.71 km) |
| Calais to Cubellas | 672.89 mi (1,082.92 km) |
| Calais to Cuellar | 722.06 mi (1,162.05 km) |
| Calais to Cuenca | 776.15 mi (1,249.10 km) |
