| Rapid City to Commerce (California) | 1,058.50 mi (1,703.49 km) |
| Rapid City to Commerce City (Colorado) | 302.41 mi (486.68 km) |
| Rapid City to Compton (California) | 1,066.63 mi (1,716.57 km) |
| Rapid City to Comstock Park (Michigan) | 879.56 mi (1,415.51 km) |
| Rapid City to Concord (California) | 1,062.74 mi (1,710.32 km) |
| Rapid City to Concord (Missouri) | 769.10 mi (1,237.74 km) |
| Rapid City to Concord (New Hampshire) | 1,574.11 mi (2,533.28 km) |
| Rapid City to Concord (North Carolina) | 1,335.42 mi (2,149.15 km) |
| Rapid City to Conneaut (Ohio) | 1,150.49 mi (1,851.53 km) |
| Rapid City to Connersville (Indiana) | 976.59 mi (1,571.68 km) |
| Rapid City to Conroe (Texas) | 1,039.79 mi (1,673.38 km) |
| Rapid City to Converse (Texas) | 1,041.71 mi (1,676.48 km) |
| Rapid City to Conway (Arkansas) | 843.67 mi (1,357.75 km) |
| Rapid City to Conway (Florida) | 1,616.72 mi (2,601.86 km) |
| Rapid City to Conway (South Carolina) | 1,471.03 mi (2,367.39 km) |
