| SeaTac to Beyne-Heusay | 4,989.52 mi (8,029.85 km) |
| SeaTac to Bierbeek | 4,955.36 mi (7,974.89 km) |
| SeaTac to Bilzen | 4,971.95 mi (8,001.58 km) |
| SeaTac to Binche | 4,964.95 mi (7,990.32 km) |
| SeaTac to Bissegem | 4,917.40 mi (7,913.79 km) |
| SeaTac to Blankenberge | 4,887.73 mi (7,866.05 km) |
| SeaTac to Blegny | 4,988.70 mi (8,028.53 km) |
| SeaTac to Bocholt | 4,956.02 mi (7,975.94 km) |
| SeaTac to Boechout | 4,930.36 mi (7,934.64 km) |
| SeaTac to Bonheiden | 4,938.22 mi (7,947.29 km) |
| SeaTac to Boom | 4,931.25 mi (7,936.07 km) |
| SeaTac to Boortmeerbeek | 4,941.88 mi (7,953.19 km) |
| SeaTac to Borgerhout | 4,925.81 mi (7,927.32 km) |
| SeaTac to Borgloon | 4,971.38 mi (8,000.66 km) |
| SeaTac to Bornem | 4,926.98 mi (7,929.21 km) |
