| On Top of the World Designated Place to Carmona | 4,344.05 mi (6,991.07 km) |
| On Top of the World Designated Place to Cartagena | 4,583.07 mi (7,375.74 km) |
| On Top of the World Designated Place to Cartama | 4,412.53 mi (7,101.28 km) |
| On Top of the World Designated Place to Cartaya | 4,268.05 mi (6,868.76 km) |
| On Top of the World Designated Place to Caspe | 4,549.55 mi (7,321.79 km) |
| On Top of the World Designated Place to Cassa de la Selva | 4,676.78 mi (7,526.55 km) |
| On Top of the World Designated Place to Castalla | 4,576.26 mi (7,364.79 km) |
| On Top of the World Designated Place to Castellbisbal | 4,642.98 mi (7,472.15 km) |
| On Top of the World Designated Place to Castelldefels | 4,647.24 mi (7,479.01 km) |
| On Top of the World Designated Place to Castello de Ampurias | 4,677.84 mi (7,528.26 km) |
| On Top of the World Designated Place to Castellon de la Plana | 4,577.22 mi (7,366.32 km) |
| On Top of the World Designated Place to Castilleja de la Cuesta | 4,323.90 mi (6,958.64 km) |
| On Top of the World Designated Place to Catarroja | 4,571.57 mi (7,357.24 km) |
| On Top of the World Designated Place to Catral | 4,579.36 mi (7,369.76 km) |
| On Top of the World Designated Place to Caudete | 4,557.65 mi (7,334.83 km) |
