| Constanta to Coudekerque-Branche | 1,302.69 mi (2,096.48 km) |
| Constanta to Coueron | 1,470.66 mi (2,366.79 km) |
| Constanta to Coulommiers | 1,250.53 mi (2,012.53 km) |
| Constanta to Courbevoic | 1,288.63 mi (2,073.85 km) |
| Constanta to Courcouronnes | 1,279.18 mi (2,058.64 km) |
| Constanta to Cournon-d'Auvergne | 1,243.18 mi (2,000.70 km) |
| Constanta to Courrieres | 1,271.64 mi (2,046.51 km) |
| Constanta to Coutras | 1,408.73 mi (2,267.14 km) |
| Constanta to Couzeix | 1,336.49 mi (2,150.88 km) |
| Constanta to Cran-Gevrier | 1,102.84 mi (1,774.84 km) |
| Constanta to Craponne | 1,169.73 mi (1,882.50 km) |
| Constanta to Creil | 1,280.58 mi (2,060.89 km) |
| Constanta to Crepy-en-Valois | 1,262.27 mi (2,031.43 km) |
| Constanta to Crest | 1,161.18 mi (1,868.74 km) |
| Constanta to Creteil | 1,278.53 mi (2,057.60 km) |
