| Willebroek to Cartagena | 966.62 mi (1,555.63 km) |
| Willebroek to Cartama | 1,086.42 mi (1,748.43 km) |
| Willebroek to Cartaya | 1,107.29 mi (1,782.01 km) |
| Willebroek to Caspe | 710.98 mi (1,144.22 km) |
| Willebroek to Cassa de la Selva | 638.02 mi (1,026.80 km) |
| Willebroek to Castalla | 895.71 mi (1,441.50 km) |
| Willebroek to Castellbisbal | 672.22 mi (1,081.84 km) |
| Willebroek to Castelldefels | 685.70 mi (1,103.52 km) |
| Willebroek to Castello de Ampurias | 611.66 mi (984.37 km) |
| Willebroek to Castellon de la Plana | 794.49 mi (1,278.61 km) |
| Willebroek to Castilleja de la Cuesta | 1,074.53 mi (1,729.29 km) |
| Willebroek to Catarroja | 838.21 mi (1,348.96 km) |
| Willebroek to Catral | 926.78 mi (1,491.51 km) |
| Willebroek to Caudete | 892.86 mi (1,436.92 km) |
| Willebroek to Cehegin | 945.55 mi (1,521.72 km) |
