| Waltham Cross to Carmona | 1,019.62 mi (1,640.92 km) |
| Waltham Cross to Cartagena | 974.34 mi (1,568.05 km) |
| Waltham Cross to Cartama | 1,058.87 mi (1,704.08 km) |
| Waltham Cross to Cartaya | 1,053.92 mi (1,696.12 km) |
| Waltham Cross to Caspe | 722.21 mi (1,162.29 km) |
| Waltham Cross to Cassa de la Selva | 690.57 mi (1,111.37 km) |
| Waltham Cross to Castalla | 904.91 mi (1,456.31 km) |
| Waltham Cross to Castellbisbal | 711.78 mi (1,145.50 km) |
| Waltham Cross to Castelldefels | 725.24 mi (1,167.16 km) |
| Waltham Cross to Castello de Ampurias | 667.51 mi (1,074.25 km) |
| Waltham Cross to Castellon de la Plana | 808.59 mi (1,301.30 km) |
| Waltham Cross to Castilleja de la Cuesta | 1,030.81 mi (1,658.93 km) |
| Waltham Cross to Catarroja | 848.87 mi (1,366.13 km) |
| Waltham Cross to Catral | 935.35 mi (1,505.29 km) |
| Waltham Cross to Caudete | 898.13 mi (1,445.39 km) |
