| Boise to Bougival | 5,041.05 mi (8,112.78 km) |
| Boise to Bouguenais | 5,008.74 mi (8,060.78 km) |
| Boise to Boulogne-Billancourt | 5,045.66 mi (8,120.20 km) |
| Boise to Boulogne-sur-Mer | 4,930.00 mi (7,934.06 km) |
| Boise to Bourg-de-Peage | 5,331.13 mi (8,579.62 km) |
| Boise to Bourg-en-Bresse | 5,274.30 mi (8,488.17 km) |
| Boise to Bourg-la-Reine | 5,050.77 mi (8,128.43 km) |
| Boise to Bourg-les-Valence | 5,331.14 mi (8,579.65 km) |
| Boise to Bourges | 5,141.02 mi (8,273.66 km) |
| Boise to Bourgoin-Jallieu | 5,308.74 mi (8,543.59 km) |
| Boise to Bressuire | 5,062.31 mi (8,147.00 km) |
| Boise to Brest | 4,855.57 mi (7,814.29 km) |
| Boise to Bretigny-sur-Orge | 5,059.18 mi (8,141.96 km) |
| Boise to Breuillet | 5,057.43 mi (8,139.14 km) |
| Boise to Briancon | 5,387.45 mi (8,670.26 km) |
