| Round Rock to Bingen am Rhein | 5,257.91 mi (8,461.79 km) |
| Round Rock to Birkenau | 5,303.25 mi (8,534.75 km) |
| Round Rock to Birkenfeld | 5,325.82 mi (8,571.08 km) |
| Round Rock to Bischofsheim | 5,274.36 mi (8,488.26 km) |
| Round Rock to Bischofswerda | 5,444.24 mi (8,761.66 km) |
| Round Rock to Bisingen | 5,357.22 mi (8,621.61 km) |
| Round Rock to Bissendorf | 5,186.92 mi (8,347.54 km) |
| Round Rock to Bitburg | 5,205.73 mi (8,377.82 km) |
| Round Rock to Bitterfeld | 5,358.94 mi (8,624.38 km) |
| Round Rock to Blankenburg | 5,303.77 mi (8,535.60 km) |
| Round Rock to Blankenfelde | 5,368.44 mi (8,639.68 km) |
| Round Rock to Blaubeuren | 5,387.06 mi (8,669.63 km) |
| Round Rock to Bleicherode | 5,303.74 mi (8,535.54 km) |
| Round Rock to Blieskastel | 5,259.18 mi (8,463.83 km) |
| Round Rock to Blomberg | 5,230.94 mi (8,418.38 km) |
