| Ellicott City to Coudekerque-Branche | 3,753.51 mi (6,040.70 km) |
| Ellicott City to Coueron | 3,672.33 mi (5,910.04 km) |
| Ellicott City to Coulommiers | 3,838.17 mi (6,176.93 km) |
| Ellicott City to Courbevoic | 3,801.06 mi (6,117.22 km) |
| Ellicott City to Courcouronnes | 3,815.61 mi (6,140.63 km) |
| Ellicott City to Cournon-d'Auvergne | 3,927.50 mi (6,320.70 km) |
| Ellicott City to Courrieres | 3,790.21 mi (6,099.75 km) |
| Ellicott City to Coutras | 3,799.29 mi (6,114.37 km) |
| Ellicott City to Couzeix | 3,837.48 mi (6,175.84 km) |
| Ellicott City to Cran-Gevrier | 4,049.48 mi (6,517.01 km) |
| Ellicott City to Craponne | 3,994.21 mi (6,428.06 km) |
| Ellicott City to Creil | 3,801.46 mi (6,117.85 km) |
| Ellicott City to Crepy-en-Valois | 3,818.99 mi (6,146.06 km) |
| Ellicott City to Crest | 4,037.66 mi (6,497.98 km) |
| Ellicott City to Creteil | 3,812.67 mi (6,135.89 km) |
