| Seattle to Borsbeek | 4,917.81 mi (7,914.45 km) |
| Seattle to Boussu | 4,944.11 mi (7,956.77 km) |
| Seattle to Braine-l'Alleud | 4,944.53 mi (7,957.45 km) |
| Seattle to Braine-le-Chateau | 4,941.75 mi (7,952.98 km) |
| Seattle to Braine-le-Comte | 4,943.14 mi (7,955.21 km) |
| Seattle to Brasschaat | 4,912.67 mi (7,906.19 km) |
| Seattle to Brecht | 4,912.98 mi (7,906.68 km) |
| Seattle to Bredene | 4,878.28 mi (7,850.84 km) |
| Seattle to Bree | 4,948.55 mi (7,963.92 km) |
| Seattle to Bruges | 4,885.93 mi (7,863.15 km) |
| Seattle to Brussels | 4,934.62 mi (7,941.50 km) |
| Seattle to Buggenhout | 4,922.13 mi (7,921.41 km) |
| Seattle to Chapelle-lez-Herlaimont | 4,954.46 mi (7,973.44 km) |
| Seattle to Charleroi | 4,962.01 mi (7,985.58 km) |
| Seattle to Chatelet | 4,964.10 mi (7,988.94 km) |
