| Seattle to Beyne-Heusay | 4,979.76 mi (8,014.15 km) |
| Seattle to Bierbeek | 4,945.66 mi (7,959.26 km) |
| Seattle to Bilzen | 4,962.18 mi (7,985.86 km) |
| Seattle to Binche | 4,955.32 mi (7,974.82 km) |
| Seattle to Bissegem | 4,907.81 mi (7,898.35 km) |
| Seattle to Blankenberge | 4,878.11 mi (7,850.56 km) |
| Seattle to Blegny | 4,978.93 mi (8,012.82 km) |
| Seattle to Bocholt | 4,946.23 mi (7,960.19 km) |
| Seattle to Boechout | 4,920.65 mi (7,919.01 km) |
| Seattle to Bonheiden | 4,928.51 mi (7,931.67 km) |
| Seattle to Boom | 4,921.55 mi (7,920.46 km) |
| Seattle to Boortmeerbeek | 4,932.18 mi (7,937.57 km) |
| Seattle to Borgerhout | 4,916.09 mi (7,911.69 km) |
| Seattle to Borgloon | 4,961.63 mi (7,984.97 km) |
| Seattle to Bornem | 4,917.29 mi (7,913.62 km) |
