| Rockville to Brescia | 4,259.57 mi (6,855.11 km) |
| Rockville to Bressanone | 4,281.54 mi (6,890.47 km) |
| Rockville to Bresso | 4,215.42 mi (6,784.06 km) |
| Rockville to Brindisi | 4,767.68 mi (7,672.84 km) |
| Rockville to Broni | 4,233.96 mi (6,813.89 km) |
| Rockville to Bronte | 4,739.39 mi (7,627.30 km) |
| Rockville to Brugherio | 4,219.90 mi (6,791.27 km) |
| Rockville to Brugnera | 4,345.37 mi (6,993.20 km) |
| Rockville to Bruino | 4,157.68 mi (6,691.14 km) |
| Rockville to Brunico | 4,290.45 mi (6,904.82 km) |
| Rockville to Brusciano | 4,602.99 mi (7,407.79 km) |
| Rockville to Bucine | 4,388.69 mi (7,062.92 km) |
| Rockville to Budrio | 4,348.65 mi (6,998.48 km) |
| Rockville to Busca | 4,173.44 mi (6,716.51 km) |
| Rockville to Bussolengo | 4,288.76 mi (6,902.10 km) |
