| Upper Montclair to Coudekerque-Branche | 3,577.25 mi (5,757.03 km) |
| Upper Montclair to Coueron | 3,496.37 mi (5,626.87 km) |
| Upper Montclair to Coulommiers | 3,661.82 mi (5,893.13 km) |
| Upper Montclair to Courbevoic | 3,624.72 mi (5,833.43 km) |
| Upper Montclair to Courcouronnes | 3,639.28 mi (5,856.86 km) |
| Upper Montclair to Cournon-d'Auvergne | 3,751.56 mi (6,037.56 km) |
| Upper Montclair to Courrieres | 3,613.90 mi (5,816.01 km) |
| Upper Montclair to Coutras | 3,623.86 mi (5,832.05 km) |
| Upper Montclair to Couzeix | 3,661.66 mi (5,892.88 km) |
| Upper Montclair to Cran-Gevrier | 3,873.32 mi (6,233.51 km) |
| Upper Montclair to Craponne | 3,818.16 mi (6,144.74 km) |
| Upper Montclair to Creil | 3,625.10 mi (5,834.04 km) |
| Upper Montclair to Crepy-en-Valois | 3,642.63 mi (5,862.25 km) |
| Upper Montclair to Crest | 3,861.81 mi (6,214.99 km) |
| Upper Montclair to Creteil | 3,636.33 mi (5,852.10 km) |
