| Hilton Head Island to Coudekerque-Branche | 4,246.73 mi (6,834.45 km) |
| Hilton Head Island to Coueron | 4,143.82 mi (6,668.83 km) |
| Hilton Head Island to Coulommiers | 4,322.63 mi (6,956.60 km) |
| Hilton Head Island to Courbevoic | 4,285.00 mi (6,896.04 km) |
| Hilton Head Island to Courcouronnes | 4,298.51 mi (6,917.79 km) |
| Hilton Head Island to Cournon-d'Auvergne | 4,397.94 mi (7,077.81 km) |
| Hilton Head Island to Courrieres | 4,281.58 mi (6,890.53 km) |
| Hilton Head Island to Coutras | 4,261.60 mi (6,858.39 km) |
| Hilton Head Island to Couzeix | 4,305.93 mi (6,929.72 km) |
| Hilton Head Island to Cran-Gevrier | 4,524.68 mi (7,281.77 km) |
| Hilton Head Island to Craponne | 4,466.77 mi (7,188.58 km) |
| Hilton Head Island to Creil | 4,287.23 mi (6,899.63 km) |
| Hilton Head Island to Crepy-en-Valois | 4,305.07 mi (6,928.35 km) |
| Hilton Head Island to Crest | 4,505.86 mi (7,251.48 km) |
| Hilton Head Island to Creteil | 4,296.35 mi (6,914.31 km) |
