| SeaTac to Bonhill | 4,438.98 mi (7,143.84 km) |
| SeaTac to Bonnyrigg | 4,481.92 mi (7,212.95 km) |
| SeaTac to Bootle | 4,612.84 mi (7,423.66 km) |
| SeaTac to Borehamwood | 4,780.63 mi (7,693.68 km) |
| SeaTac to Boscombe | 4,789.31 mi (7,707.65 km) |
| SeaTac to Boston | 4,715.40 mi (7,588.70 km) |
| SeaTac to Bottesford | 4,667.40 mi (7,511.45 km) |
| SeaTac to Bourne | 4,717.42 mi (7,591.95 km) |
| SeaTac to Bournemouth | 4,788.49 mi (7,706.33 km) |
| SeaTac to Bournville | 4,694.91 mi (7,555.73 km) |
| SeaTac to Bovingdon | 4,770.11 mi (7,676.75 km) |
| SeaTac to Bowdon | 4,632.95 mi (7,456.01 km) |
| SeaTac to Boxley | 4,821.47 mi (7,759.41 km) |
| SeaTac to Brackley | 4,737.23 mi (7,623.84 km) |
| SeaTac to Bracknell | 4,781.20 mi (7,694.60 km) |
