| Bethesda to Blumberg | 4,118.56 mi (6,628.18 km) |
| Bethesda to Bobenheim-Roxheim | 4,059.51 mi (6,533.14 km) |
| Bethesda to Bobingen | 4,199.62 mi (6,758.64 km) |
| Bethesda to Boblingen | 4,112.87 mi (6,619.02 km) |
| Bethesda to Bocholt | 3,926.92 mi (6,319.77 km) |
| Bethesda to Bochum | 3,960.03 mi (6,373.05 km) |
| Bethesda to Bockenem | 4,059.13 mi (6,532.54 km) |
| Bethesda to Bockhorn | 3,939.53 mi (6,340.05 km) |
| Bethesda to Bogen | 4,254.54 mi (6,847.03 km) |
| Bethesda to Bohl-Iggelheim | 4,063.58 mi (6,539.71 km) |
| Bethesda to Bohmte | 3,978.93 mi (6,403.46 km) |
| Bethesda to Boizenburg | 4,042.50 mi (6,505.77 km) |
| Bethesda to Bonen | 3,978.27 mi (6,402.41 km) |
| Bethesda to Bonn | 3,975.96 mi (6,398.68 km) |
| Bethesda to Bopfingen | 4,162.26 mi (6,698.51 km) |
