| SeaTac to Buena Park (California) | 964.99 mi (1,553.00 km) |
| SeaTac to Buenaventura Lakes (Florida) | 2,552.37 mi (4,107.64 km) |
| SeaTac to Buffalo (Minnesota) | 1,358.33 mi (2,186.02 km) |
| SeaTac to Buffalo (New York) | 2,111.43 mi (3,398.02 km) |
| SeaTac to Buffalo Grove (Illinois) | 1,707.56 mi (2,748.05 km) |
| SeaTac to Buford (Georgia) | 2,177.31 mi (3,504.05 km) |
| SeaTac to Bull Run (Virginia) | 2,302.23 mi (3,705.08 km) |
| SeaTac to Bullhead City (Arizona) | 940.69 mi (1,513.89 km) |
| SeaTac to Burbank (California) | 938.89 mi (1,510.99 km) |
| SeaTac to Burbank (Illinois) | 1,728.73 mi (2,782.12 km) |
| SeaTac to Burien (Washington) | 2.91 mi (4.68 km) |
| SeaTac to Burkburnett (Texas) | 1,537.44 mi (2,474.27 km) |
| SeaTac to Burke (Virginia) | 2,314.34 mi (3,724.56 km) |
| SeaTac to Burke Centre (Virginia) | 2,312.18 mi (3,721.09 km) |
| SeaTac to Burleson (Texas) | 1,663.81 mi (2,677.64 km) |
