| Hilton Head Island to Carrollwood (Florida) | 304.33 mi (489.77 km) |
| Hilton Head Island to Carson (California) | 2,163.98 mi (3,482.59 km) |
| Hilton Head Island to Carson City (Nevada) | 2,223.35 mi (3,578.14 km) |
| Hilton Head Island to Carteret (New Jersey) | 683.65 mi (1,100.23 km) |
| Hilton Head Island to Cartersville (Georgia) | 271.07 mi (436.25 km) |
| Hilton Head Island to Carthage (Missouri) | 842.92 mi (1,356.56 km) |
| Hilton Head Island to Cary (Illinois) | 805.41 mi (1,296.18 km) |
| Hilton Head Island to Cary (North Carolina) | 271.71 mi (437.27 km) |
| Hilton Head Island to Casa de Oro-Mount Helix (California) | 2,101.06 mi (3,381.33 km) |
| Hilton Head Island to Casa Grande (Arizona) | 1,800.36 mi (2,897.40 km) |
| Hilton Head Island to Casas Adobes (Arizona) | 1,762.05 mi (2,835.74 km) |
| Hilton Head Island to Cascades (Virginia) | 509.91 mi (820.62 km) |
| Hilton Head Island to Casper (Wyoming) | 1,574.06 mi (2,533.20 km) |
| Hilton Head Island to Casselberry (Florida) | 246.07 mi (396.02 km) |
| Hilton Head Island to Castaic (California) | 2,179.76 mi (3,507.99 km) |
