| North Potomac to Bastogne | 3,940.07 mi (6,340.92 km) |
| North Potomac to Beauraing | 3,906.07 mi (6,286.22 km) |
| North Potomac to Beernem | 3,813.65 mi (6,137.48 km) |
| North Potomac to Beerse | 3,870.61 mi (6,229.14 km) |
| North Potomac to Beersel | 3,862.47 mi (6,216.05 km) |
| North Potomac to Begijnendijk | 3,875.08 mi (6,236.33 km) |
| North Potomac to Beloeil | 3,844.34 mi (6,186.87 km) |
| North Potomac to Berchem | 3,856.00 mi (6,205.63 km) |
| North Potomac to Beringen | 3,892.05 mi (6,263.65 km) |
| North Potomac to Berlaar | 3,867.10 mi (6,223.49 km) |
| North Potomac to Berlare | 3,843.36 mi (6,185.29 km) |
| North Potomac to Bernissart | 3,842.90 mi (6,184.56 km) |
| North Potomac to Bertem | 3,872.68 mi (6,232.48 km) |
| North Potomac to Bertrix | 3,925.08 mi (6,316.81 km) |
| North Potomac to Beveren | 3,848.87 mi (6,194.15 km) |
