| Ruislip to Carmona | 1,007.30 mi (1,621.09 km) |
| Ruislip to Cartagena | 966.02 mi (1,554.66 km) |
| Ruislip to Cartama | 1,047.47 mi (1,685.74 km) |
| Ruislip to Cartaya | 1,040.56 mi (1,674.62 km) |
| Ruislip to Caspe | 714.86 mi (1,150.46 km) |
| Ruislip to Cassa de la Selva | 687.18 mi (1,105.91 km) |
| Ruislip to Castalla | 896.86 mi (1,443.35 km) |
| Ruislip to Castellbisbal | 707.07 mi (1,137.92 km) |
| Ruislip to Castelldefels | 720.47 mi (1,159.49 km) |
| Ruislip to Castello de Ampurias | 664.54 mi (1,069.47 km) |
| Ruislip to Castellon de la Plana | 801.22 mi (1,289.44 km) |
| Ruislip to Castilleja de la Cuesta | 1,018.20 mi (1,638.63 km) |
| Ruislip to Catarroja | 841.09 mi (1,353.60 km) |
| Ruislip to Catral | 927.17 mi (1,492.14 km) |
| Ruislip to Caudete | 889.75 mi (1,431.91 km) |
