| Rapid City to Central Point (Oregon) | 995.85 mi (1,602.66 km) |
| Rapid City to Centralia (Illinois) | 824.59 mi (1,327.04 km) |
| Rapid City to Centralia (Washington) | 972.80 mi (1,565.56 km) |
| Rapid City to Centreville (Virginia) | 1,376.83 mi (2,215.79 km) |
| Rapid City to Ceres (California) | 1,026.90 mi (1,652.64 km) |
| Rapid City to Cerritos (California) | 1,061.53 mi (1,708.37 km) |
| Rapid City to Chalco (Nebraska) | 411.62 mi (662.44 km) |
| Rapid City to Chalmette (Louisiana) | 1,216.32 mi (1,957.48 km) |
| Rapid City to Chambersburg (Pennsylvania) | 1,337.66 mi (2,152.76 km) |
| Rapid City to Chamblee (Georgia) | 1,231.40 mi (1,981.74 km) |
| Rapid City to Champaign (Illinois) | 812.24 mi (1,307.17 km) |
| Rapid City to Champlin (Minnesota) | 489.03 mi (787.03 km) |
| Rapid City to Chandler (Arizona) | 877.73 mi (1,412.57 km) |
| Rapid City to Chanhassen (Minnesota) | 479.04 mi (770.95 km) |
| Rapid City to Channahon (Illinois) | 779.67 mi (1,254.76 km) |
