| Hilton Head Island to Carmona | 4,161.19 mi (6,696.79 km) |
| Hilton Head Island to Cartagena | 4,396.51 mi (7,075.50 km) |
| Hilton Head Island to Cartama | 4,230.96 mi (6,809.08 km) |
| Hilton Head Island to Cartaya | 4,086.76 mi (6,577.00 km) |
| Hilton Head Island to Caspe | 4,353.72 mi (7,006.64 km) |
| Hilton Head Island to Cassa de la Selva | 4,477.77 mi (7,206.28 km) |
| Hilton Head Island to Castalla | 4,387.03 mi (7,060.25 km) |
| Hilton Head Island to Castellbisbal | 4,445.40 mi (7,154.18 km) |
| Hilton Head Island to Castelldefels | 4,450.09 mi (7,161.73 km) |
| Hilton Head Island to Castello de Ampurias | 4,477.94 mi (7,206.55 km) |
| Hilton Head Island to Castellon de la Plana | 4,384.26 mi (7,055.79 km) |
| Hilton Head Island to Castilleja de la Cuesta | 4,141.56 mi (6,665.20 km) |
| Hilton Head Island to Catarroja | 4,380.23 mi (7,049.30 km) |
| Hilton Head Island to Catral | 4,391.29 mi (7,067.09 km) |
| Hilton Head Island to Caudete | 4,368.38 mi (7,030.23 km) |
