| Herndon to Coudekerque-Branche | 3,789.81 mi (6,099.11 km) |
| Herndon to Coueron | 3,708.76 mi (5,968.67 km) |
| Herndon to Coulommiers | 3,874.56 mi (6,235.51 km) |
| Herndon to Courbevoic | 3,837.46 mi (6,175.80 km) |
| Herndon to Courcouronnes | 3,852.02 mi (6,199.22 km) |
| Herndon to Cournon-d'Auvergne | 3,963.93 mi (6,379.34 km) |
| Herndon to Courrieres | 3,826.53 mi (6,158.21 km) |
| Herndon to Coutras | 3,835.69 mi (6,172.95 km) |
| Herndon to Couzeix | 3,873.91 mi (6,234.46 km) |
| Herndon to Cran-Gevrier | 4,085.91 mi (6,575.64 km) |
| Herndon to Craponne | 4,030.64 mi (6,486.70 km) |
| Herndon to Creil | 3,837.84 mi (6,176.41 km) |
| Herndon to Crepy-en-Valois | 3,855.37 mi (6,204.61 km) |
| Herndon to Crest | 4,074.08 mi (6,556.60 km) |
| Herndon to Creteil | 3,849.07 mi (6,194.48 km) |
