| Hilton Head Island to Conyers (Georgia) | 214.08 mi (344.54 km) |
| Hilton Head Island to Cookeville (Tennessee) | 385.75 mi (620.80 km) |
| Hilton Head Island to Coolidge (Arizona) | 1,786.47 mi (2,875.04 km) |
| Hilton Head Island to Coon Rapids (Minnesota) | 1,121.35 mi (1,804.64 km) |
| Hilton Head Island to Cooper City (Florida) | 425.38 mi (684.58 km) |
| Hilton Head Island to Coos Bay (Oregon) | 2,465.89 mi (3,968.47 km) |
| Hilton Head Island to Copiague (New York) | 714.00 mi (1,149.07 km) |
| Hilton Head Island to Coppell (Texas) | 946.14 mi (1,522.66 km) |
| Hilton Head Island to Copperas Cove (Texas) | 1,011.12 mi (1,627.25 km) |
| Hilton Head Island to Coral Gables (Florida) | 449.06 mi (722.70 km) |
| Hilton Head Island to Coral Springs (Florida) | 410.06 mi (659.93 km) |
| Hilton Head Island to Coral Terrace (Florida) | 445.99 mi (717.76 km) |
| Hilton Head Island to Coralville (Iowa) | 887.61 mi (1,428.47 km) |
| Hilton Head Island to Coram (New York) | 737.85 mi (1,187.46 km) |
| Hilton Head Island to Corcoran (California) | 2,221.13 mi (3,574.56 km) |
