| Hilton Head Island to Castrovillari | 5,167.05 mi (8,315.56 km) |
| Hilton Head Island to Catania | 5,193.62 mi (8,358.32 km) |
| Hilton Head Island to Catanzaro | 5,216.98 mi (8,395.91 km) |
| Hilton Head Island to Cattolica | 4,875.18 mi (7,845.84 km) |
| Hilton Head Island to Cava de' Tirreni | 5,068.30 mi (8,156.64 km) |
| Hilton Head Island to Cavallino | 5,241.42 mi (8,435.25 km) |
| Hilton Head Island to Cavarzere | 4,810.89 mi (7,742.38 km) |
| Hilton Head Island to Cave | 4,951.14 mi (7,968.09 km) |
| Hilton Head Island to Cavriago | 4,755.24 mi (7,652.82 km) |
| Hilton Head Island to Cavriglia | 4,832.82 mi (7,777.68 km) |
| Hilton Head Island to Cazzago San Martino | 4,707.43 mi (7,575.87 km) |
| Hilton Head Island to Ceccano | 4,977.40 mi (8,010.36 km) |
| Hilton Head Island to Cecina | 4,795.03 mi (7,716.85 km) |
| Hilton Head Island to Cefalu | 5,124.46 mi (8,247.02 km) |
| Hilton Head Island to Ceglie Messapico | 5,198.04 mi (8,365.44 km) |
