| Slidell to Coudekerque-Branche | 4,711.63 mi (7,582.64 km) |
| Slidell to Coueron | 4,632.35 mi (7,455.04 km) |
| Slidell to Coulommiers | 4,798.03 mi (7,721.69 km) |
| Slidell to Courbevoic | 4,761.00 mi (7,662.09 km) |
| Slidell to Courcouronnes | 4,775.65 mi (7,685.66 km) |
| Slidell to Cournon-d'Auvergne | 4,887.49 mi (7,865.66 km) |
| Slidell to Courrieres | 4,748.81 mi (7,642.48 km) |
| Slidell to Coutras | 4,758.08 mi (7,657.39 km) |
| Slidell to Couzeix | 4,797.24 mi (7,720.41 km) |
| Slidell to Cran-Gevrier | 5,009.76 mi (8,062.42 km) |
| Slidell to Craponne | 4,954.37 mi (7,973.29 km) |
| Slidell to Creil | 4,761.16 mi (7,662.35 km) |
| Slidell to Crepy-en-Valois | 4,778.64 mi (7,690.47 km) |
| Slidell to Crest | 4,997.44 mi (8,042.61 km) |
| Slidell to Creteil | 4,772.63 mi (7,680.80 km) |
