| Rapid City to Kennewick (Washington) | 789.90 mi (1,271.22 km) |
| Rapid City to Kenosha (Wisconsin) | 776.79 mi (1,250.12 km) |
| Rapid City to Kent (Ohio) | 1,126.28 mi (1,812.58 km) |
| Rapid City to Kent (Washington) | 941.62 mi (1,515.40 km) |
| Rapid City to Kentwood (Michigan) | 885.88 mi (1,425.69 km) |
| Rapid City to Kerman (California) | 1,018.45 mi (1,639.03 km) |
| Rapid City to Kernersville (North Carolina) | 1,335.10 mi (2,148.63 km) |
| Rapid City to Kerrville (Texas) | 995.02 mi (1,601.32 km) |
| Rapid City to Kettering (Maryland) | 1,407.56 mi (2,265.24 km) |
| Rapid City to Kettering (Ohio) | 1,023.83 mi (1,647.70 km) |
| Rapid City to Kewanee (Illinois) | 702.38 mi (1,130.37 km) |
| Rapid City to Key Biscayne (Florida) | 1,810.15 mi (2,913.15 km) |
| Rapid City to Key Largo (Florida) | 1,830.91 mi (2,946.56 km) |
| Rapid City to Key West (Florida) | 1,809.26 mi (2,911.72 km) |
| Rapid City to Keystone (Florida) | 1,584.57 mi (2,550.12 km) |
