| Dumbarton to Coudekerque-Branche | 444.09 mi (714.70 km) |
| Dumbarton to Coueron | 615.58 mi (990.68 km) |
| Dumbarton to Coulommiers | 588.37 mi (946.88 km) |
| Dumbarton to Courbevoic | 565.06 mi (909.38 km) |
| Dumbarton to Courcouronnes | 585.55 mi (942.35 km) |
| Dumbarton to Cournon-d'Auvergne | 781.26 mi (1,257.32 km) |
| Dumbarton to Courrieres | 490.02 mi (788.61 km) |
| Dumbarton to Coutras | 778.17 mi (1,252.35 km) |
| Dumbarton to Couzeix | 739.92 mi (1,190.78 km) |
| Dumbarton to Cran-Gevrier | 833.27 mi (1,341.01 km) |
| Dumbarton to Craponne | 811.64 mi (1,306.21 km) |
| Dumbarton to Creil | 548.27 mi (882.36 km) |
| Dumbarton to Crepy-en-Valois | 558.94 mi (899.53 km) |
| Dumbarton to Crest | 881.27 mi (1,418.27 km) |
| Dumbarton to Creteil | 576.05 mi (927.07 km) |
