| North Potomac to Blumberg | 4,118.75 mi (6,628.48 km) |
| North Potomac to Bobenheim-Roxheim | 4,059.39 mi (6,532.96 km) |
| North Potomac to Bobingen | 4,199.60 mi (6,758.60 km) |
| North Potomac to Boblingen | 4,112.88 mi (6,619.03 km) |
| North Potomac to Bocholt | 3,926.48 mi (6,319.05 km) |
| North Potomac to Bochum | 3,959.62 mi (6,372.39 km) |
| North Potomac to Bockenem | 4,058.48 mi (6,531.49 km) |
| North Potomac to Bockhorn | 3,938.72 mi (6,338.76 km) |
| North Potomac to Bogen | 4,254.29 mi (6,846.63 km) |
| North Potomac to Bohl-Iggelheim | 4,063.51 mi (6,539.59 km) |
| North Potomac to Bohmte | 3,978.30 mi (6,402.45 km) |
| North Potomac to Boizenburg | 4,041.57 mi (6,504.27 km) |
| North Potomac to Bonen | 3,977.81 mi (6,401.67 km) |
| North Potomac to Bonn | 3,975.70 mi (6,398.26 km) |
| North Potomac to Bopfingen | 4,162.16 mi (6,698.35 km) |
