| SeaTac to Borgosatollo | 5,402.84 mi (8,695.03 km) |
| SeaTac to Borgosesia | 5,339.21 mi (8,592.63 km) |
| SeaTac to Boscoreale | 5,791.13 mi (9,319.92 km) |
| SeaTac to Boscotrecase | 5,789.71 mi (9,317.64 km) |
| SeaTac to Botticino Sera | 5,399.27 mi (8,689.29 km) |
| SeaTac to Bovalino Marina | 5,992.97 mi (9,644.75 km) |
| SeaTac to Boves | 5,401.85 mi (8,693.44 km) |
| SeaTac to Boville Ernica | 5,712.41 mi (9,193.24 km) |
| SeaTac to Bovisio Masciago | 5,367.40 mi (8,637.99 km) |
| SeaTac to Bovolone | 5,438.22 mi (8,751.97 km) |
| SeaTac to Bra | 5,388.18 mi (8,671.44 km) |
| SeaTac to Bracciano | 5,653.36 mi (9,098.21 km) |
| SeaTac to Brandizzo | 5,359.93 mi (8,625.97 km) |
| SeaTac to Breganze | 5,421.76 mi (8,725.49 km) |
| SeaTac to Brembate | 5,378.38 mi (8,655.67 km) |
