| Black Forest to Coudekerque-Branche | 4,817.41 mi (7,752.88 km) |
| Black Forest to Coueron | 4,827.10 mi (7,768.47 km) |
| Black Forest to Coulommiers | 4,936.05 mi (7,943.80 km) |
| Black Forest to Courbevoic | 4,902.96 mi (7,890.55 km) |
| Black Forest to Courcouronnes | 4,920.99 mi (7,919.56 km) |
| Black Forest to Cournon-d'Auvergne | 5,074.26 mi (8,166.23 km) |
| Black Forest to Courrieres | 4,860.67 mi (7,822.49 km) |
| Black Forest to Coutras | 4,978.56 mi (8,012.22 km) |
| Black Forest to Couzeix | 4,995.11 mi (8,038.85 km) |
| Black Forest to Cran-Gevrier | 5,173.62 mi (8,326.14 km) |
| Black Forest to Craponne | 5,130.49 mi (8,256.72 km) |
| Black Forest to Creil | 4,895.73 mi (7,878.92 km) |
| Black Forest to Crepy-en-Valois | 4,911.05 mi (7,903.57 km) |
| Black Forest to Crest | 5,187.29 mi (8,348.14 km) |
| Black Forest to Creteil | 4,915.01 mi (7,909.94 km) |
