| Rapid City to Coudekerque-Branche | 4,506.31 mi (7,252.20 km) |
| Rapid City to Coueron | 4,532.08 mi (7,293.68 km) |
| Rapid City to Coulommiers | 4,629.57 mi (7,450.58 km) |
| Rapid City to Courbevoic | 4,597.44 mi (7,398.86 km) |
| Rapid City to Courcouronnes | 4,615.93 mi (7,428.62 km) |
| Rapid City to Cournon-d'Auvergne | 4,775.59 mi (7,685.57 km) |
| Rapid City to Courrieres | 4,550.26 mi (7,322.93 km) |
| Rapid City to Coutras | 4,687.30 mi (7,543.48 km) |
| Rapid City to Couzeix | 4,699.23 mi (7,562.67 km) |
| Rapid City to Cran-Gevrier | 4,869.92 mi (7,837.37 km) |
| Rapid City to Craponne | 4,829.36 mi (7,772.11 km) |
| Rapid City to Creil | 4,588.96 mi (7,385.22 km) |
| Rapid City to Crepy-en-Valois | 4,603.78 mi (7,409.07 km) |
| Rapid City to Crest | 4,888.28 mi (7,866.93 km) |
| Rapid City to Creteil | 4,609.47 mi (7,418.23 km) |
