| Mercer Island to Beyne-Heusay | 4,980.73 mi (8,015.71 km) |
| Mercer Island to Bierbeek | 4,946.59 mi (7,960.76 km) |
| Mercer Island to Bilzen | 4,963.16 mi (7,987.43 km) |
| Mercer Island to Binche | 4,956.20 mi (7,976.23 km) |
| Mercer Island to Bissegem | 4,908.65 mi (7,899.72 km) |
| Mercer Island to Blankenberge | 4,878.98 mi (7,851.96 km) |
| Mercer Island to Blegny | 4,979.91 mi (8,014.39 km) |
| Mercer Island to Bocholt | 4,947.22 mi (7,961.79 km) |
| Mercer Island to Boechout | 4,921.58 mi (7,920.52 km) |
| Mercer Island to Bonheiden | 4,929.44 mi (7,933.17 km) |
| Mercer Island to Boom | 4,922.47 mi (7,921.95 km) |
| Mercer Island to Boortmeerbeek | 4,933.11 mi (7,939.07 km) |
| Mercer Island to Borgerhout | 4,917.03 mi (7,913.19 km) |
| Mercer Island to Borgloon | 4,962.59 mi (7,986.52 km) |
| Mercer Island to Bornem | 4,918.21 mi (7,915.10 km) |
