| Hilton Head Island to Caltagirone | 5,174.84 mi (8,328.09 km) |
| Hilton Head Island to Caltanissetta | 5,144.75 mi (8,279.68 km) |
| Hilton Head Island to Calvisano | 4,728.19 mi (7,609.29 km) |
| Hilton Head Island to Calvizzano | 5,037.95 mi (8,107.80 km) |
| Hilton Head Island to Camaiore | 4,767.10 mi (7,671.91 km) |
| Hilton Head Island to Cameri | 4,648.82 mi (7,481.55 km) |
| Hilton Head Island to Camisano Vicentino | 4,783.60 mi (7,698.47 km) |
| Hilton Head Island to Campagna | 5,087.81 mi (8,188.03 km) |
| Hilton Head Island to Campagnano di Roma | 4,916.04 mi (7,911.61 km) |
| Hilton Head Island to Campi Bisenzio | 4,808.08 mi (7,737.85 km) |
| Hilton Head Island to Campi Salentina | 5,230.18 mi (8,417.17 km) |
| Hilton Head Island to Campiglia Marittima | 4,806.98 mi (7,736.09 km) |
| Hilton Head Island to Campobasso | 5,038.37 mi (8,108.47 km) |
| Hilton Head Island to Campobello di Licata | 5,145.77 mi (8,281.32 km) |
| Hilton Head Island to Campobello di Mazara | 5,076.90 mi (8,170.47 km) |
