| Waltham Cross to Cocentaina | 894.35 mi (1,439.32 km) |
| Waltham Cross to Coin | 1,063.16 mi (1,710.99 km) |
| Waltham Cross to Colindres | 594.30 mi (956.43 km) |
| Waltham Cross to Collado-Villalba | 786.70 mi (1,266.07 km) |
| Waltham Cross to Colmenar Viejo | 782.28 mi (1,258.96 km) |
| Waltham Cross to Colmenarejo | 791.69 mi (1,274.10 km) |
| Waltham Cross to Conil de la Frontera | 1,106.07 mi (1,780.05 km) |
| Waltham Cross to Consuegra | 861.83 mi (1,386.98 km) |
| Waltham Cross to Corbera de Llobregat | 715.57 mi (1,151.60 km) |
| Waltham Cross to Cordoba | 981.05 mi (1,578.85 km) |
| Waltham Cross to Coria del Rio | 1,037.50 mi (1,669.69 km) |
| Waltham Cross to Crevillente | 929.19 mi (1,495.39 km) |
| Waltham Cross to Cuarte de Huerva | 699.27 mi (1,125.37 km) |
| Waltham Cross to Cubellas | 728.31 mi (1,172.11 km) |
| Waltham Cross to Cuellar | 738.84 mi (1,189.05 km) |
