| Rapid City to Bound Brook (New Jersey) | 1,477.45 mi (2,377.73 km) |
| Rapid City to Bountiful (Utah) | 492.55 mi (792.68 km) |
| Rapid City to Bourbonnais (Illinois) | 803.75 mi (1,293.51 km) |
| Rapid City to Bowie (Maryland) | 1,408.15 mi (2,266.19 km) |
| Rapid City to Bowling Green (Kentucky) | 1,006.03 mi (1,619.04 km) |
| Rapid City to Bowling Green (Ohio) | 1,008.14 mi (1,622.45 km) |
| Rapid City to Box Elder (South Dakota) | 7.42 mi (11.95 km) |
| Rapid City to Boynton Beach (Florida) | 1,769.32 mi (2,847.45 km) |
| Rapid City to Bozeman (Montana) | 399.27 mi (642.56 km) |
| Rapid City to Bradenton (Florida) | 1,619.45 mi (2,606.25 km) |
| Rapid City to Bradfordville (Florida) | 1,394.19 mi (2,243.72 km) |
| Rapid City to Bradley (Illinois) | 805.81 mi (1,296.83 km) |
| Rapid City to Bradley Gardens (New Jersey) | 1,470.94 mi (2,367.26 km) |
| Rapid City to Brainerd (Minnesota) | 466.30 mi (750.44 km) |
| Rapid City to Brambleton (Virginia) | 1,368.35 mi (2,202.14 km) |
