| Hilton Head Island to Carmignano | 4,802.83 mi (7,729.41 km) |
| Hilton Head Island to Carovigno | 5,203.88 mi (8,374.83 km) |
| Hilton Head Island to Carpenedolo | 4,731.54 mi (7,614.68 km) |
| Hilton Head Island to Carpi | 4,768.38 mi (7,673.97 km) |
| Hilton Head Island to Carrara | 4,753.84 mi (7,650.57 km) |
| Hilton Head Island to Carugate | 4,677.73 mi (7,528.08 km) |
| Hilton Head Island to Casal di Principe | 5,031.85 mi (8,097.99 km) |
| Hilton Head Island to Casale Monferrato | 4,650.33 mi (7,483.99 km) |
| Hilton Head Island to Casale sul Sile | 4,808.07 mi (7,737.83 km) |
| Hilton Head Island to Casalecchio di Reno | 4,795.01 mi (7,716.82 km) |
| Hilton Head Island to Casalgrande | 4,767.55 mi (7,672.64 km) |
| Hilton Head Island to Casalmaggiore | 4,741.69 mi (7,631.01 km) |
| Hilton Head Island to Casalnuovo di Napoli | 5,045.08 mi (8,119.27 km) |
| Hilton Head Island to Casalpusterlengo | 4,702.23 mi (7,567.52 km) |
| Hilton Head Island to Casaluce | 5,035.46 mi (8,103.80 km) |
