| SeaTac to Badger (Alaska) | 1,518.82 mi (2,444.31 km) |
| SeaTac to Bailey's Crossroads (Virginia) | 2,318.12 mi (3,730.65 km) |
| SeaTac to Bainbridge (Georgia) | 2,289.89 mi (3,685.22 km) |
| SeaTac to Bainbridge Island (Washington) | 17.90 mi (28.80 km) |
| SeaTac to Baker (Louisiana) | 2,015.97 mi (3,244.40 km) |
| SeaTac to Bakersfield (California) | 852.17 mi (1,371.44 km) |
| SeaTac to Balch Springs (Texas) | 1,683.41 mi (2,709.18 km) |
| SeaTac to Baldwin (New York) | 2,422.18 mi (3,898.13 km) |
| SeaTac to Baldwin (Pennsylvania) | 2,135.23 mi (3,436.32 km) |
| SeaTac to Baldwin Park (California) | 950.15 mi (1,529.11 km) |
| SeaTac to Ballenger Creek (Maryland) | 2,286.48 mi (3,679.73 km) |
| SeaTac to Ballwin (Missouri) | 1,701.92 mi (2,738.98 km) |
| SeaTac to Baltimore (Maryland) | 2,326.64 mi (3,744.37 km) |
| SeaTac to Bangor (Maine) | 2,517.11 mi (4,050.90 km) |
| SeaTac to Banning (California) | 973.97 mi (1,567.45 km) |
