| Ashburn to Coudekerque-Branche | 3,790.65 mi (6,100.46 km) |
| Ashburn to Coueron | 3,710.17 mi (5,970.94 km) |
| Ashburn to Coulommiers | 3,875.64 mi (6,237.23 km) |
| Ashburn to Courbevoic | 3,838.55 mi (6,177.56 km) |
| Ashburn to Courcouronnes | 3,853.13 mi (6,201.02 km) |
| Ashburn to Cournon-d'Auvergne | 3,965.35 mi (6,381.62 km) |
| Ashburn to Courrieres | 3,827.42 mi (6,159.64 km) |
| Ashburn to Coutras | 3,837.30 mi (6,175.54 km) |
| Ashburn to Couzeix | 3,875.38 mi (6,236.83 km) |
| Ashburn to Cran-Gevrier | 4,087.21 mi (6,577.73 km) |
| Ashburn to Craponne | 4,032.01 mi (6,488.89 km) |
| Ashburn to Creil | 3,838.88 mi (6,178.09 km) |
| Ashburn to Crepy-en-Valois | 3,856.40 mi (6,206.27 km) |
| Ashburn to Crest | 4,075.55 mi (6,558.96 km) |
| Ashburn to Creteil | 3,850.16 mi (6,196.24 km) |
