| Rapid City to Cognac | 4,650.39 mi (7,484.07 km) |
| Rapid City to Cogolin | 5,013.13 mi (8,067.86 km) |
| Rapid City to Colmar | 4,807.63 mi (7,737.14 km) |
| Rapid City to Colombes | 4,596.24 mi (7,396.93 km) |
| Rapid City to Colomiers | 4,806.88 mi (7,735.93 km) |
| Rapid City to Combs-la-Ville | 4,618.32 mi (7,432.46 km) |
| Rapid City to Comines | 4,538.58 mi (7,304.13 km) |
| Rapid City to Compiegne | 4,593.39 mi (7,392.34 km) |
| Rapid City to Concarneau | 4,423.63 mi (7,119.15 km) |
| Rapid City to Conde-sur-l'Escaut | 4,572.00 mi (7,357.93 km) |
| Rapid City to Conflans-Sainte-Honorine | 4,587.54 mi (7,382.94 km) |
| Rapid City to Corbas | 4,839.29 mi (7,788.09 km) |
| Rapid City to Corbeil-Essonnes | 4,618.19 mi (7,432.26 km) |
| Rapid City to Cormeilles-en-Parisis | 4,592.22 mi (7,390.46 km) |
| Rapid City to Cosne sur Loire | 4,688.65 mi (7,545.66 km) |
