| Rockville Centre to Coudekerque-Branche | 3,562.07 mi (5,732.61 km) |
| Rockville Centre to Coueron | 3,478.44 mi (5,598.00 km) |
| Rockville Centre to Coulommiers | 3,645.48 mi (5,866.84 km) |
| Rockville Centre to Courbevoic | 3,608.31 mi (5,807.01 km) |
| Rockville Centre to Courcouronnes | 3,622.74 mi (5,830.23 km) |
| Rockville Centre to Cournon-d'Auvergne | 3,733.59 mi (6,008.64 km) |
| Rockville Centre to Courrieres | 3,598.47 mi (5,791.18 km) |
| Rockville Centre to Coutras | 3,605.00 mi (5,801.68 km) |
| Rockville Centre to Couzeix | 3,643.45 mi (5,863.56 km) |
| Rockville Centre to Cran-Gevrier | 3,855.92 mi (6,205.51 km) |
| Rockville Centre to Craponne | 3,800.45 mi (6,116.23 km) |
| Rockville Centre to Creil | 3,608.92 mi (5,808.00 km) |
| Rockville Centre to Crepy-en-Valois | 3,626.50 mi (5,836.28 km) |
| Rockville Centre to Crest | 3,843.64 mi (6,185.74 km) |
| Rockville Centre to Creteil | 3,619.88 mi (5,825.64 km) |
