| Lake Ronkonkoma to Coudekerque-Branche | 3,533.46 mi (5,686.55 km) |
| Lake Ronkonkoma to Coueron | 3,449.13 mi (5,550.84 km) |
| Lake Ronkonkoma to Coulommiers | 3,616.54 mi (5,820.26 km) |
| Lake Ronkonkoma to Courbevoic | 3,579.35 mi (5,760.40 km) |
| Lake Ronkonkoma to Courcouronnes | 3,593.75 mi (5,783.58 km) |
| Lake Ronkonkoma to Cournon-d'Auvergne | 3,704.28 mi (5,961.46 km) |
| Lake Ronkonkoma to Courrieres | 3,569.78 mi (5,745.01 km) |
| Lake Ronkonkoma to Coutras | 3,575.52 mi (5,754.24 km) |
| Lake Ronkonkoma to Couzeix | 3,614.09 mi (5,816.31 km) |
| Lake Ronkonkoma to Cran-Gevrier | 3,826.73 mi (6,158.52 km) |
| Lake Ronkonkoma to Craponne | 3,771.18 mi (6,069.13 km) |
| Lake Ronkonkoma to Creil | 3,580.03 mi (5,761.50 km) |
| Lake Ronkonkoma to Crepy-en-Valois | 3,597.61 mi (5,789.80 km) |
| Lake Ronkonkoma to Crest | 3,814.28 mi (6,138.49 km) |
| Lake Ronkonkoma to Creteil | 3,590.92 mi (5,779.02 km) |
