| Rapid City to Cloverleaf (Texas) | 1,081.04 mi (1,739.76 km) |
| Rapid City to Cloverly (Maryland) | 1,391.27 mi (2,239.03 km) |
| Rapid City to Clovis (California) | 997.18 mi (1,604.80 km) |
| Rapid City to Clovis (New Mexico) | 665.65 mi (1,071.25 km) |
| Rapid City to Clute (Texas) | 1,125.29 mi (1,810.98 km) |
| Rapid City to Coachella (California) | 996.42 mi (1,603.58 km) |
| Rapid City to Coalinga (California) | 1,053.82 mi (1,695.95 km) |
| Rapid City to Coamo (Puerto Rico) | 2,786.56 mi (4,484.54 km) |
| Rapid City to Coatesville (Pennsylvania) | 1,427.39 mi (2,297.16 km) |
| Rapid City to Cockeysville (Maryland) | 1,399.80 mi (2,252.76 km) |
| Rapid City to Cocoa (Florida) | 1,645.76 mi (2,648.60 km) |
| Rapid City to Cocoa Beach (Florida) | 1,654.05 mi (2,661.94 km) |
| Rapid City to Coconut Creek (Florida) | 1,778.18 mi (2,861.70 km) |
| Rapid City to Coeur d'Alene (Idaho) | 698.20 mi (1,123.65 km) |
| Rapid City to Cohoes (New York) | 1,475.81 mi (2,375.09 km) |
