| SeaTac to Barberino di Mugello | 5,515.56 mi (8,876.44 km) |
| SeaTac to Barcellona-Pozzo di Gotto | 5,969.56 mi (9,607.09 km) |
| SeaTac to Bareggio | 5,372.06 mi (8,645.50 km) |
| SeaTac to Barga | 5,492.29 mi (8,838.99 km) |
| SeaTac to Bari | 5,825.69 mi (9,375.54 km) |
| SeaTac to Barletta | 5,800.30 mi (9,334.68 km) |
| SeaTac to Baronissi | 5,799.37 mi (9,333.18 km) |
| SeaTac to Barrafranca | 5,991.90 mi (9,643.04 km) |
| SeaTac to Bassano del Grappa | 5,421.78 mi (8,725.51 km) |
| SeaTac to Battipaglia | 5,812.45 mi (9,354.24 km) |
| SeaTac to Beinasco | 5,362.70 mi (8,630.44 km) |
| SeaTac to Bellinzago Novarese | 5,356.35 mi (8,620.21 km) |
| SeaTac to Belluno | 5,410.80 mi (8,707.84 km) |
| SeaTac to Belmonte Mezzagno | 5,929.25 mi (9,542.20 km) |
| SeaTac to Belpasso | 5,998.52 mi (9,653.69 km) |
