| Tulcea to Coudekerque-Branche | 1,275.26 mi (2,052.33 km) |
| Tulcea to Coueron | 1,456.92 mi (2,344.68 km) |
| Tulcea to Coulommiers | 1,231.10 mi (1,981.27 km) |
| Tulcea to Courbevoic | 1,269.01 mi (2,042.28 km) |
| Tulcea to Courcouronnes | 1,260.58 mi (2,028.71 km) |
| Tulcea to Cournon-d'Auvergne | 1,235.92 mi (1,989.02 km) |
| Tulcea to Courrieres | 1,246.05 mi (2,005.33 km) |
| Tulcea to Coutras | 1,402.94 mi (2,257.82 km) |
| Tulcea to Couzeix | 1,328.16 mi (2,137.47 km) |
| Tulcea to Cran-Gevrier | 1,095.61 mi (1,763.22 km) |
| Tulcea to Craponne | 1,162.88 mi (1,871.47 km) |
| Tulcea to Creil | 1,259.57 mi (2,027.08 km) |
| Tulcea to Crepy-en-Valois | 1,241.28 mi (1,997.64 km) |
| Tulcea to Crest | 1,158.75 mi (1,864.83 km) |
| Tulcea to Creteil | 1,259.29 mi (2,026.63 km) |
