| Hilton Head Island to Cadiz | 4,148.34 mi (6,676.11 km) |
| Hilton Head Island to Calafell | 4,432.38 mi (7,133.22 km) |
| Hilton Head Island to Calahorra | 4,235.13 mi (6,815.78 km) |
| Hilton Head Island to Calasparra | 4,344.20 mi (6,991.32 km) |
| Hilton Head Island to Calatayud | 4,272.90 mi (6,876.56 km) |
| Hilton Head Island to Caldas de Montbuy | 4,450.39 mi (7,162.21 km) |
| Hilton Head Island to Caldas de Reyes | 3,903.73 mi (6,282.44 km) |
| Hilton Head Island to Calella | 4,474.66 mi (7,201.27 km) |
| Hilton Head Island to Callosa de Segura | 4,388.44 mi (7,062.51 km) |
| Hilton Head Island to Calpe | 4,421.73 mi (7,116.08 km) |
| Hilton Head Island to Calvia | 4,520.17 mi (7,274.51 km) |
| Hilton Head Island to Camas | 4,142.00 mi (6,665.90 km) |
| Hilton Head Island to Cambados | 3,897.62 mi (6,272.61 km) |
| Hilton Head Island to Cambre | 3,906.57 mi (6,287.02 km) |
| Hilton Head Island to Cambrils | 4,410.81 mi (7,098.52 km) |
