| Runcorn to Carmona | 1,105.62 mi (1,779.32 km) |
| Runcorn to Cartagena | 1,090.88 mi (1,755.60 km) |
| Runcorn to Cartama | 1,152.68 mi (1,855.06 km) |
| Runcorn to Cartaya | 1,129.55 mi (1,817.84 km) |
| Runcorn to Caspe | 845.98 mi (1,361.47 km) |
| Runcorn to Cassa de la Selva | 832.64 mi (1,340.01 km) |
| Runcorn to Castalla | 1,023.49 mi (1,647.14 km) |
| Runcorn to Castellbisbal | 848.47 mi (1,365.48 km) |
| Runcorn to Castelldefels | 861.63 mi (1,386.66 km) |
| Runcorn to Castello de Ampurias | 811.20 mi (1,305.50 km) |
| Runcorn to Castellon de la Plana | 931.67 mi (1,499.38 km) |
| Runcorn to Castilleja de la Cuesta | 1,114.01 mi (1,792.83 km) |
| Runcorn to Catarroja | 969.34 mi (1,560.01 km) |
| Runcorn to Catral | 1,053.02 mi (1,694.67 km) |
| Runcorn to Caudete | 1,014.73 mi (1,633.06 km) |
