| Mastic Beach to Coudekerque-Branche | 3,524.90 mi (5,672.77 km) |
| Mastic Beach to Coueron | 3,439.35 mi (5,535.10 km) |
| Mastic Beach to Coulommiers | 3,607.46 mi (5,805.65 km) |
| Mastic Beach to Courbevoic | 3,570.23 mi (5,745.73 km) |
| Mastic Beach to Courcouronnes | 3,584.57 mi (5,768.82 km) |
| Mastic Beach to Cournon-d'Auvergne | 3,694.47 mi (5,945.68 km) |
| Mastic Beach to Courrieres | 3,561.11 mi (5,731.05 km) |
| Mastic Beach to Coutras | 3,565.32 mi (5,737.83 km) |
| Mastic Beach to Couzeix | 3,604.18 mi (5,800.36 km) |
| Mastic Beach to Cran-Gevrier | 3,817.17 mi (6,143.14 km) |
| Mastic Beach to Craponne | 3,761.49 mi (6,053.53 km) |
| Mastic Beach to Creil | 3,571.02 mi (5,746.99 km) |
| Mastic Beach to Crepy-en-Valois | 3,588.62 mi (5,775.33 km) |
| Mastic Beach to Crest | 3,804.38 mi (6,122.56 km) |
| Mastic Beach to Creteil | 3,581.79 mi (5,764.33 km) |
