| Willebroek to Coin | 1,091.71 mi (1,756.94 km) |
| Willebroek to Colindres | 643.63 mi (1,035.82 km) |
| Willebroek to Collado-Villalba | 824.68 mi (1,327.19 km) |
| Willebroek to Colmenar Viejo | 817.52 mi (1,315.66 km) |
| Willebroek to Colmenarejo | 829.37 mi (1,334.74 km) |
| Willebroek to Conil de la Frontera | 1,145.61 mi (1,843.67 km) |
| Willebroek to Consuegra | 889.40 mi (1,431.35 km) |
| Willebroek to Corbera de Llobregat | 676.71 mi (1,089.07 km) |
| Willebroek to Cordoba | 1,014.48 mi (1,632.66 km) |
| Willebroek to Coria del Rio | 1,080.79 mi (1,739.37 km) |
| Willebroek to Crevillente | 920.86 mi (1,481.98 km) |
| Willebroek to Cuarte de Huerva | 701.60 mi (1,129.11 km) |
| Willebroek to Cubellas | 693.00 mi (1,115.28 km) |
| Willebroek to Cuellar | 784.99 mi (1,263.31 km) |
| Willebroek to Cuenca | 822.00 mi (1,322.88 km) |
