| Hagerstown to Coudekerque-Branche | 3,773.22 mi (6,072.42 km) |
| Hagerstown to Coueron | 3,696.80 mi (5,949.42 km) |
| Hagerstown to Coulommiers | 3,859.86 mi (6,211.84 km) |
| Hagerstown to Courbevoic | 3,822.89 mi (6,152.35 km) |
| Hagerstown to Courcouronnes | 3,837.66 mi (6,176.11 km) |
| Hagerstown to Cournon-d'Auvergne | 3,952.01 mi (6,360.14 km) |
| Hagerstown to Courrieres | 3,810.35 mi (6,132.16 km) |
| Hagerstown to Coutras | 3,825.38 mi (6,156.36 km) |
| Hagerstown to Couzeix | 3,862.43 mi (6,215.97 km) |
| Hagerstown to Cran-Gevrier | 4,072.98 mi (6,554.83 km) |
| Hagerstown to Craponne | 4,018.26 mi (6,466.77 km) |
| Hagerstown to Creil | 3,822.88 mi (6,152.33 km) |
| Hagerstown to Crepy-en-Valois | 3,840.32 mi (6,180.41 km) |
| Hagerstown to Crest | 4,062.51 mi (6,537.98 km) |
| Hagerstown to Creteil | 3,834.54 mi (6,171.10 km) |
