| Rapid City to Bicaz | 5,433.34 mi (8,744.12 km) |
| Rapid City to Bistrita | 5,377.73 mi (8,654.61 km) |
| Rapid City to Blaj | 5,415.31 mi (8,715.10 km) |
| Rapid City to Bocsa | 5,396.80 mi (8,685.32 km) |
| Rapid City to Boldesti-Scaeni | 5,538.83 mi (8,913.89 km) |
| Rapid City to Bolintin Vale | 5,564.48 mi (8,955.16 km) |
| Rapid City to Borsa | 5,352.81 mi (8,614.51 km) |
| Rapid City to Botosani | 5,400.89 mi (8,691.90 km) |
| Rapid City to Brad | 5,386.14 mi (8,668.16 km) |
| Rapid City to Bragadiru | 5,574.91 mi (8,971.94 km) |
| Rapid City to Braila | 5,577.36 mi (8,975.89 km) |
| Rapid City to Brasov | 5,491.22 mi (8,837.26 km) |
| Rapid City to Breaza | 5,519.72 mi (8,883.14 km) |
| Rapid City to Bucharest | 5,574.97 mi (8,972.05 km) |
| Rapid City to Buftea | 5,562.85 mi (8,952.54 km) |
