| Madison to Carmona | 4,243.15 mi (6,828.68 km) |
| Madison to Cartagena | 4,446.46 mi (7,155.88 km) |
| Madison to Cartama | 4,318.26 mi (6,949.57 km) |
| Madison to Cartaya | 4,181.18 mi (6,728.96 km) |
| Madison to Caspe | 4,342.38 mi (6,988.38 km) |
| Madison to Cassa de la Selva | 4,438.75 mi (7,143.49 km) |
| Madison to Castalla | 4,419.92 mi (7,113.17 km) |
| Madison to Castellbisbal | 4,418.06 mi (7,110.18 km) |
| Madison to Castelldefels | 4,425.75 mi (7,122.56 km) |
| Madison to Castello de Ampurias | 4,432.16 mi (7,132.88 km) |
| Madison to Castellon de la Plana | 4,392.05 mi (7,068.32 km) |
| Madison to Castilleja de la Cuesta | 4,227.46 mi (6,803.45 km) |
| Madison to Catarroja | 4,399.18 mi (7,079.80 km) |
| Madison to Catral | 4,431.65 mi (7,132.05 km) |
| Madison to Caudete | 4,401.66 mi (7,083.79 km) |
