| Rapid City to Carlsbad (California) | 1,068.88 mi (1,720.20 km) |
| Rapid City to Carlsbad (New Mexico) | 808.23 mi (1,300.73 km) |
| Rapid City to Carmel (Indiana) | 919.24 mi (1,479.37 km) |
| Rapid City to Carmichael (California) | 1,008.82 mi (1,623.54 km) |
| Rapid City to Carney (Maryland) | 1,406.98 mi (2,264.32 km) |
| Rapid City to Carnot-Moon (Pennsylvania) | 1,196.79 mi (1,926.05 km) |
| Rapid City to Carol Stream (Illinois) | 775.78 mi (1,248.50 km) |
| Rapid City to Carolina (Puerto Rico) | 2,786.55 mi (4,484.52 km) |
| Rapid City to Carolina Forest (South Carolina) | 1,480.12 mi (2,382.02 km) |
| Rapid City to Carpentersville (Illinois) | 764.11 mi (1,229.72 km) |
| Rapid City to Carpinteria (California) | 1,095.25 mi (1,762.64 km) |
| Rapid City to Carrboro (North Carolina) | 1,389.14 mi (2,235.61 km) |
| Rapid City to Carroll (Iowa) | 443.60 mi (713.91 km) |
| Rapid City to Carrollton (Georgia) | 1,211.34 mi (1,949.46 km) |
| Rapid City to Carrollton (Texas) | 837.82 mi (1,348.35 km) |
