| SeaTac to Bougival | 4,998.91 mi (8,044.97 km) |
| SeaTac to Bouguenais | 4,988.34 mi (8,027.96 km) |
| SeaTac to Boulogne-Billancourt | 5,003.28 mi (8,052.00 km) |
| SeaTac to Boulogne-sur-Mer | 4,881.27 mi (7,855.64 km) |
| SeaTac to Bourg-de-Peage | 5,294.42 mi (8,520.55 km) |
| SeaTac to Bourg-en-Bresse | 5,231.98 mi (8,420.06 km) |
| SeaTac to Bourg-la-Reine | 5,008.37 mi (8,060.19 km) |
| SeaTac to Bourg-les-Valence | 5,295.44 mi (8,522.19 km) |
| SeaTac to Bourges | 5,105.87 mi (8,217.11 km) |
| SeaTac to Bourgoin-Jallieu | 5,268.84 mi (8,479.38 km) |
| SeaTac to Bressuire | 5,039.23 mi (8,109.86 km) |
| SeaTac to Brest | 4,839.81 mi (7,788.92 km) |
| SeaTac to Bretigny-sur-Orge | 5,017.56 mi (8,074.99 km) |
| SeaTac to Breuillet | 5,016.52 mi (8,073.30 km) |
| SeaTac to Briancon | 5,344.94 mi (8,601.85 km) |
