| SeaTac to Barking | 4,796.32 mi (7,718.93 km) |
| SeaTac to Barnet | 4,783.27 mi (7,697.93 km) |
| SeaTac to Barnoldswick | 4,608.85 mi (7,417.23 km) |
| SeaTac to Barnsley | 4,646.49 mi (7,477.80 km) |
| SeaTac to Barnstaple | 4,709.13 mi (7,578.61 km) |
| SeaTac to Barrhead | 4,452.96 mi (7,166.35 km) |
| SeaTac to Barri | 4,713.71 mi (7,585.98 km) |
| SeaTac to Barrow in Furness | 4,571.46 mi (7,357.05 km) |
| SeaTac to Barton upon Humber | 4,665.95 mi (7,509.12 km) |
| SeaTac to Barton upon Irwell | 4,627.78 mi (7,447.69 km) |
| SeaTac to Barwell | 4,703.02 mi (7,568.78 km) |
| SeaTac to Basford | 4,685.56 mi (7,540.67 km) |
| SeaTac to Basildon | 4,804.84 mi (7,732.64 km) |
| SeaTac to Basingstoke | 4,780.29 mi (7,693.13 km) |
| SeaTac to Bath | 4,739.88 mi (7,628.11 km) |
