| Sulphur to Coudekerque-Branche | 4,857.81 mi (7,817.89 km) |
| Sulphur to Coueron | 4,791.20 mi (7,710.69 km) |
| Sulphur to Coulommiers | 4,949.46 mi (7,965.39 km) |
| Sulphur to Courbevoic | 4,912.83 mi (7,906.44 km) |
| Sulphur to Courcouronnes | 4,928.05 mi (7,930.93 km) |
| Sulphur to Cournon-d'Auvergne | 5,046.38 mi (8,121.36 km) |
| Sulphur to Courrieres | 4,896.10 mi (7,879.51 km) |
| Sulphur to Coutras | 4,921.09 mi (7,919.73 km) |
| Sulphur to Couzeix | 4,957.28 mi (7,977.98 km) |
| Sulphur to Cran-Gevrier | 5,165.93 mi (8,313.76 km) |
| Sulphur to Craponne | 5,112.04 mi (8,227.04 km) |
| Sulphur to Creil | 4,911.90 mi (7,904.95 km) |
| Sulphur to Crepy-en-Valois | 4,929.14 mi (7,932.69 km) |
| Sulphur to Crest | 5,157.24 mi (8,299.78 km) |
| Sulphur to Creteil | 4,924.58 mi (7,925.34 km) |
