| Rock Springs to Coudekerque-Branche | 4,833.07 mi (7,778.08 km) |
| Rock Springs to Coueron | 4,868.26 mi (7,834.70 km) |
| Rock Springs to Coulommiers | 4,959.32 mi (7,981.25 km) |
| Rock Springs to Courbevoic | 4,927.83 mi (7,930.57 km) |
| Rock Springs to Courcouronnes | 4,946.58 mi (7,960.75 km) |
| Rock Springs to Cournon-d'Auvergne | 5,109.69 mi (8,223.25 km) |
| Rock Springs to Courrieres | 4,877.46 mi (7,849.51 km) |
| Rock Springs to Coutras | 5,025.02 mi (8,086.99 km) |
| Rock Springs to Couzeix | 5,034.82 mi (8,102.76 km) |
| Rock Springs to Cran-Gevrier | 5,201.09 mi (8,370.35 km) |
| Rock Springs to Craponne | 5,162.08 mi (8,307.57 km) |
| Rock Springs to Creil | 4,918.57 mi (7,915.67 km) |
| Rock Springs to Crepy-en-Valois | 4,933.05 mi (7,938.98 km) |
| Rock Springs to Crest | 5,222.09 mi (8,404.15 km) |
| Rock Springs to Creteil | 4,939.83 mi (7,949.89 km) |
