| Rapid City to Portage (Indiana) | 829.34 mi (1,334.70 km) |
| Rapid City to Portage (Michigan) | 896.48 mi (1,442.74 km) |
| Rapid City to Portage (Wisconsin) | 685.96 mi (1,103.94 km) |
| Rapid City to Portales (New Mexico) | 683.80 mi (1,100.47 km) |
| Rapid City to Porterville (California) | 999.91 mi (1,609.20 km) |
| Rapid City to Portland (Maine) | 1,630.26 mi (2,623.65 km) |
| Rapid City to Portland (Oregon) | 955.49 mi (1,537.72 km) |
| Rapid City to Portland (Tennessee) | 1,017.18 mi (1,636.99 km) |
| Rapid City to Portland (Texas) | 1,164.47 mi (1,874.04 km) |
| Rapid City to Portsmouth (New Hampshire) | 1,614.97 mi (2,599.05 km) |
| Rapid City to Portsmouth (Ohio) | 1,109.57 mi (1,785.68 km) |
| Rapid City to Portsmouth (Virginia) | 1,489.99 mi (2,397.91 km) |
| Rapid City to Post Falls (Idaho) | 705.00 mi (1,134.59 km) |
| Rapid City to Potomac (Maryland) | 1,384.12 mi (2,227.53 km) |
| Rapid City to Potomac Park (California) | 1,027.74 mi (1,653.98 km) |
