| Ashburn to Beyne-Heusay | 3,933.13 mi (6,329.76 km) |
| Ashburn to Bierbeek | 3,891.71 mi (6,263.11 km) |
| Ashburn to Bilzen | 3,921.04 mi (6,310.30 km) |
| Ashburn to Binche | 3,878.73 mi (6,242.22 km) |
| Ashburn to Bissegem | 3,829.36 mi (6,162.76 km) |
| Ashburn to Blankenberge | 3,813.23 mi (6,136.80 km) |
| Ashburn to Blegny | 3,935.14 mi (6,332.99 km) |
| Ashburn to Bocholt | 3,915.40 mi (6,301.23 km) |
| Ashburn to Boechout | 3,872.05 mi (6,231.46 km) |
| Ashburn to Bonheiden | 3,877.08 mi (6,239.56 km) |
| Ashburn to Boom | 3,869.08 mi (6,226.68 km) |
| Ashburn to Boortmeerbeek | 3,879.73 mi (6,243.82 km) |
| Ashburn to Borgerhout | 3,868.74 mi (6,226.14 km) |
| Ashburn to Borgloon | 3,915.79 mi (6,301.85 km) |
| Ashburn to Bornem | 3,863.28 mi (6,217.34 km) |
