| Rapid City to Candler-McAfee (Georgia) | 1,239.72 mi (1,995.13 km) |
| Rapid City to Caño Martin Peña (Puerto Rico) | 2,782.10 mi (4,477.35 km) |
| Rapid City to Cañon City (Colorado) | 402.50 mi (647.76 km) |
| Rapid City to Canóvanas (Puerto Rico) | 2,791.85 mi (4,493.04 km) |
| Rapid City to Canton (Georgia) | 1,206.99 mi (1,942.46 km) |
| Rapid City to Canton (Illinois) | 714.66 mi (1,150.13 km) |
| Rapid City to Canton (Mississippi) | 1,064.72 mi (1,713.50 km) |
| Rapid City to Canton (Ohio) | 1,133.31 mi (1,823.89 km) |
| Rapid City to Canyon (Texas) | 631.20 mi (1,015.82 km) |
| Rapid City to Canyon Lake (California) | 1,038.91 mi (1,671.96 km) |
| Rapid City to Canyon Lake (Texas) | 1,017.78 mi (1,637.96 km) |
| Rapid City to Cape Coral (Florida) | 1,687.28 mi (2,715.41 km) |
| Rapid City to Cape Girardeau (Missouri) | 852.90 mi (1,372.61 km) |
| Rapid City to Carbondale (Illinois) | 850.83 mi (1,369.28 km) |
| Rapid City to Carlisle (Pennsylvania) | 1,353.63 mi (2,178.46 km) |
