| SeaTac to Bitonto | 5,821.97 mi (9,369.55 km) |
| SeaTac to Bitritto | 5,829.57 mi (9,381.79 km) |
| SeaTac to Bollate | 5,370.50 mi (8,642.99 km) |
| SeaTac to Bologna | 5,488.61 mi (8,833.06 km) |
| SeaTac to Bolzano | 5,368.92 mi (8,640.43 km) |
| SeaTac to Bomporto | 5,466.67 mi (8,797.76 km) |
| SeaTac to Bonate di Sopra | 5,373.87 mi (8,648.40 km) |
| SeaTac to Bondeno | 5,467.08 mi (8,798.41 km) |
| SeaTac to Bordighera | 5,437.15 mi (8,750.25 km) |
| SeaTac to Borgaro Torinese | 5,356.63 mi (8,620.66 km) |
| SeaTac to Borgo a Buggiano | 5,510.04 mi (8,867.55 km) |
| SeaTac to Borgo San Dalmazzo | 5,400.10 mi (8,690.62 km) |
| SeaTac to Borgo San Lorenzo | 5,522.21 mi (8,887.13 km) |
| SeaTac to Borgomanero | 5,345.27 mi (8,602.37 km) |
| SeaTac to Borgoricco | 5,442.35 mi (8,758.61 km) |
