| Bethesda to Beyne-Heusay | 3,920.76 mi (6,309.85 km) |
| Bethesda to Bierbeek | 3,879.34 mi (6,243.19 km) |
| Bethesda to Bilzen | 3,908.73 mi (6,290.49 km) |
| Bethesda to Binche | 3,866.19 mi (6,222.03 km) |
| Bethesda to Bissegem | 3,816.87 mi (6,142.66 km) |
| Bethesda to Blankenberge | 3,800.87 mi (6,116.91 km) |
| Bethesda to Blegny | 3,922.79 mi (6,313.12 km) |
| Bethesda to Bocholt | 3,903.19 mi (6,281.57 km) |
| Bethesda to Boechout | 3,859.74 mi (6,211.65 km) |
| Bethesda to Bonheiden | 3,864.75 mi (6,219.71 km) |
| Bethesda to Boom | 3,856.75 mi (6,206.83 km) |
| Bethesda to Boortmeerbeek | 3,867.38 mi (6,223.95 km) |
| Bethesda to Borgerhout | 3,856.45 mi (6,206.36 km) |
| Bethesda to Borgloon | 3,903.45 mi (6,281.99 km) |
| Bethesda to Bornem | 3,850.94 mi (6,197.49 km) |
