| Groslay to Coin | 923.02 mi (1,485.46 km) |
| Groslay to Colindres | 475.02 mi (764.47 km) |
| Groslay to Collado-Villalba | 655.25 mi (1,054.53 km) |
| Groslay to Colmenar Viejo | 648.13 mi (1,043.07 km) |
| Groslay to Colmenarejo | 659.95 mi (1,062.09 km) |
| Groslay to Conil de la Frontera | 976.29 mi (1,571.19 km) |
| Groslay to Consuegra | 720.49 mi (1,159.51 km) |
| Groslay to Corbera de Llobregat | 523.41 mi (842.34 km) |
| Groslay to Cordoba | 845.35 mi (1,360.46 km) |
| Groslay to Coria del Rio | 911.37 mi (1,466.71 km) |
| Groslay to Crevillente | 758.33 mi (1,220.42 km) |
| Groslay to Cuarte de Huerva | 535.39 mi (861.63 km) |
| Groslay to Cubellas | 538.31 mi (866.32 km) |
| Groslay to Cuellar | 615.73 mi (990.92 km) |
| Groslay to Cuenca | 654.56 mi (1,053.42 km) |
