| Rapid City to Cordele (Georgia) | 1,343.82 mi (2,162.67 km) |
| Rapid City to Corinth (Mississippi) | 1,003.32 mi (1,614.70 km) |
| Rapid City to Corinth (Texas) | 824.28 mi (1,326.56 km) |
| Rapid City to Cornelius (North Carolina) | 1,320.93 mi (2,125.83 km) |
| Rapid City to Cornelius (Oregon) | 974.92 mi (1,568.99 km) |
| Rapid City to Corning (New York) | 1,320.85 mi (2,125.70 km) |
| Rapid City to Corona (California) | 1,041.91 mi (1,676.79 km) |
| Rapid City to Coronado (California) | 1,088.52 mi (1,751.80 km) |
| Rapid City to Corpus Christi (Texas) | 1,175.01 mi (1,890.99 km) |
| Rapid City to Corsicana (Texas) | 905.36 mi (1,457.04 km) |
| Rapid City to Cortland (New York) | 1,356.65 mi (2,183.32 km) |
| Rapid City to Corvallis (Oregon) | 989.59 mi (1,592.59 km) |
| Rapid City to Coshocton (Ohio) | 1,122.24 mi (1,806.08 km) |
| Rapid City to Costa Mesa (California) | 1,065.44 mi (1,714.65 km) |
| Rapid City to Coto de Caza (California) | 1,056.19 mi (1,699.78 km) |
