| Romilly-sur-Seine to Cartagena | 790.38 mi (1,271.99 km) |
| Romilly-sur-Seine to Cartama | 918.36 mi (1,477.96 km) |
| Romilly-sur-Seine to Cartaya | 949.46 mi (1,528.00 km) |
| Romilly-sur-Seine to Caspe | 535.62 mi (862.00 km) |
| Romilly-sur-Seine to Cassa de la Selva | 459.72 mi (739.84 km) |
| Romilly-sur-Seine to Castalla | 719.53 mi (1,157.97 km) |
| Romilly-sur-Seine to Castellbisbal | 493.73 mi (794.58 km) |
| Romilly-sur-Seine to Castelldefels | 507.19 mi (816.24 km) |
| Romilly-sur-Seine to Castello de Ampurias | 433.51 mi (697.67 km) |
| Romilly-sur-Seine to Castellon de la Plana | 618.02 mi (994.60 km) |
| Romilly-sur-Seine to Castilleja de la Cuesta | 912.72 mi (1,468.88 km) |
| Romilly-sur-Seine to Catarroja | 662.06 mi (1,065.48 km) |
| Romilly-sur-Seine to Catral | 750.57 mi (1,207.92 km) |
| Romilly-sur-Seine to Caudete | 717.40 mi (1,154.54 km) |
| Romilly-sur-Seine to Cehegin | 771.39 mi (1,241.43 km) |
