| Rapid City to Crawfordsville (Indiana) | 880.64 mi (1,417.26 km) |
| Rapid City to Crest Hill (Illinois) | 783.66 mi (1,261.18 km) |
| Rapid City to Crestview (Florida) | 1,291.94 mi (2,079.17 km) |
| Rapid City to Crestwood (Illinois) | 800.50 mi (1,288.27 km) |
| Rapid City to Crestwood (Missouri) | 766.42 mi (1,233.43 km) |
| Rapid City to Creve Coeur (Missouri) | 759.48 mi (1,222.26 km) |
| Rapid City to Crofton (Maryland) | 1,409.53 mi (2,268.43 km) |
| Rapid City to Crossville (Tennessee) | 1,110.54 mi (1,787.25 km) |
| Rapid City to Crowley (Louisiana) | 1,126.02 mi (1,812.15 km) |
| Rapid City to Crowley (Texas) | 854.74 mi (1,375.57 km) |
| Rapid City to Crown Point (Indiana) | 824.77 mi (1,327.34 km) |
| Rapid City to Crystal (Minnesota) | 489.73 mi (788.15 km) |
| Rapid City to Crystal Lake (Illinois) | 759.89 mi (1,222.93 km) |
| Rapid City to Cudahy (California) | 1,061.39 mi (1,708.14 km) |
| Rapid City to Cudahy (Wisconsin) | 772.30 mi (1,242.89 km) |
