| Overlea to Carmona | 3,736.02 mi (6,012.55 km) |
| Overlea to Cartagena | 3,960.26 mi (6,373.42 km) |
| Overlea to Cartama | 3,808.56 mi (6,129.29 km) |
| Overlea to Cartaya | 3,666.19 mi (5,900.16 km) |
| Overlea to Caspe | 3,894.28 mi (6,267.24 km) |
| Overlea to Cassa de la Selva | 4,009.66 mi (6,452.92 km) |
| Overlea to Castalla | 3,944.10 mi (6,347.41 km) |
| Overlea to Castellbisbal | 3,981.03 mi (6,406.85 km) |
| Overlea to Castelldefels | 3,986.79 mi (6,416.12 km) |
| Overlea to Castello de Ampurias | 4,007.57 mi (6,449.56 km) |
| Overlea to Castellon de la Plana | 3,931.93 mi (6,327.82 km) |
| Overlea to Castilleja de la Cuesta | 3,717.87 mi (5,983.33 km) |
| Overlea to Catarroja | 3,931.99 mi (6,327.92 km) |
| Overlea to Catral | 3,951.26 mi (6,358.93 km) |
| Overlea to Caudete | 3,925.46 mi (6,317.42 km) |
