| Marlborough to Carmona | 3,421.53 mi (5,506.41 km) |
| Marlborough to Cartagena | 3,641.87 mi (5,861.03 km) |
| Marlborough to Cartama | 3,494.79 mi (5,624.33 km) |
| Marlborough to Cartaya | 3,353.38 mi (5,396.74 km) |
| Marlborough to Caspe | 3,569.74 mi (5,744.94 km) |
| Marlborough to Cassa de la Selva | 3,683.04 mi (5,927.28 km) |
| Marlborough to Castalla | 3,623.82 mi (5,831.97 km) |
| Marlborough to Castellbisbal | 3,655.26 mi (5,882.57 km) |
| Marlborough to Castelldefels | 3,661.25 mi (5,892.21 km) |
| Marlborough to Castello de Ampurias | 3,680.48 mi (5,923.16 km) |
| Marlborough to Castellon de la Plana | 3,609.12 mi (5,808.32 km) |
| Marlborough to Castilleja de la Cuesta | 3,403.90 mi (5,478.04 km) |
| Marlborough to Catarroja | 3,610.26 mi (5,810.15 km) |
| Marlborough to Catral | 3,631.79 mi (5,844.80 km) |
| Marlborough to Caudete | 3,605.21 mi (5,802.03 km) |
