| Windsor to Cocentaina | 879.88 mi (1,416.03 km) |
| Windsor to Coin | 1,043.44 mi (1,679.25 km) |
| Windsor to Colindres | 573.86 mi (923.55 km) |
| Windsor to Collado-Villalba | 766.67 mi (1,233.83 km) |
| Windsor to Colmenar Viejo | 762.57 mi (1,227.24 km) |
| Windsor to Colmenarejo | 771.67 mi (1,241.88 km) |
| Windsor to Conil de la Frontera | 1,085.08 mi (1,746.27 km) |
| Windsor to Consuegra | 842.72 mi (1,356.23 km) |
| Windsor to Corbera de Llobregat | 705.56 mi (1,135.49 km) |
| Windsor to Cordoba | 960.97 mi (1,546.53 km) |
| Windsor to Coria del Rio | 1,016.24 mi (1,635.49 km) |
| Windsor to Crevillente | 914.19 mi (1,471.25 km) |
| Windsor to Cuarte de Huerva | 683.89 mi (1,100.61 km) |
| Windsor to Cubellas | 717.74 mi (1,155.09 km) |
| Windsor to Cuellar | 718.08 mi (1,155.63 km) |
