| SeaTac to Belvedere Marittimo | 5,895.24 mi (9,487.47 km) |
| SeaTac to Benevento | 5,775.97 mi (9,295.53 km) |
| SeaTac to Bergamo | 5,375.74 mi (8,651.42 km) |
| SeaTac to Bernalda | 5,865.26 mi (9,439.22 km) |
| SeaTac to Bertinoro | 5,528.57 mi (8,897.38 km) |
| SeaTac to Besana in Brianza | 5,365.81 mi (8,635.44 km) |
| SeaTac to Besozzo | 5,341.49 mi (8,596.30 km) |
| SeaTac to Biancavilla | 5,991.49 mi (9,642.38 km) |
| SeaTac to Biassono | 5,369.34 mi (8,641.12 km) |
| SeaTac to Bibbiano | 5,456.64 mi (8,781.62 km) |
| SeaTac to Bibbiena | 5,547.91 mi (8,928.49 km) |
| SeaTac to Biella | 5,342.92 mi (8,598.60 km) |
| SeaTac to Bisceglie | 5,810.02 mi (9,350.32 km) |
| SeaTac to Bisignano | 5,911.41 mi (9,513.49 km) |
| SeaTac to Bitetto | 5,828.68 mi (9,380.35 km) |
