| Rapid City to Port Charlotte (Florida) | 1,664.05 mi (2,678.04 km) |
| Rapid City to Port Chester (New York) | 1,511.07 mi (2,431.84 km) |
| Rapid City to Port Hueneme (California) | 1,093.42 mi (1,759.69 km) |
| Rapid City to Port Huron (Michigan) | 1,041.02 mi (1,675.36 km) |
| Rapid City to Port Lavaca (Texas) | 1,128.03 mi (1,815.40 km) |
| Rapid City to Port Neches (Texas) | 1,098.36 mi (1,767.63 km) |
| Rapid City to Port Orange (Florida) | 1,598.98 mi (2,573.31 km) |
| Rapid City to Port Orchard (Washington) | 963.49 mi (1,550.59 km) |
| Rapid City to Port Royal (South Carolina) | 1,458.50 mi (2,347.23 km) |
| Rapid City to Port Salerno (Florida) | 1,732.78 mi (2,788.64 km) |
| Rapid City to Port St. John (Florida) | 1,639.24 mi (2,638.10 km) |
| Rapid City to Port St. Lucie (Florida) | 1,717.77 mi (2,764.48 km) |
| Rapid City to Port Washington (New York) | 1,514.49 mi (2,437.34 km) |
| Rapid City to Port Washington (Wisconsin) | 766.01 mi (1,232.78 km) |
| Rapid City to Port Wentworth (Georgia) | 1,443.69 mi (2,323.40 km) |
