| Williamstown to Bougival | 3,701.38 mi (5,956.80 km) |
| Williamstown to Bouguenais | 3,580.08 mi (5,761.58 km) |
| Williamstown to Boulogne-Billancourt | 3,706.43 mi (5,964.92 km) |
| Williamstown to Boulogne-sur-Mer | 3,634.65 mi (5,849.40 km) |
| Williamstown to Bourg-de-Peage | 3,931.82 mi (6,327.65 km) |
| Williamstown to Bourg-en-Bresse | 3,905.66 mi (6,285.55 km) |
| Williamstown to Bourg-la-Reine | 3,710.97 mi (5,972.23 km) |
| Williamstown to Bourg-les-Valence | 3,927.63 mi (6,320.92 km) |
| Williamstown to Bourges | 3,758.24 mi (6,048.31 km) |
| Williamstown to Bourgoin-Jallieu | 3,925.57 mi (6,317.60 km) |
| Williamstown to Bressuire | 3,638.25 mi (5,855.19 km) |
| Williamstown to Brest | 3,426.89 mi (5,515.05 km) |
| Williamstown to Bretigny-sur-Orge | 3,714.82 mi (5,978.43 km) |
| Williamstown to Breuillet | 3,710.25 mi (5,971.06 km) |
| Williamstown to Briancon | 4,005.90 mi (6,446.88 km) |