| Niagara Falls to Bougival | 3,727.97 mi (5,999.58 km) |
| Niagara Falls to Bouguenais | 3,624.11 mi (5,832.44 km) |
| Niagara Falls to Boulogne-Billancourt | 3,733.01 mi (6,007.71 km) |
| Niagara Falls to Boulogne-sur-Mer | 3,650.44 mi (5,874.82 km) |
| Niagara Falls to Bourg-de-Peage | 3,975.42 mi (6,397.82 km) |
| Niagara Falls to Bourg-en-Bresse | 3,942.17 mi (6,344.30 km) |
| Niagara Falls to Bourg-la-Reine | 3,737.76 mi (6,015.35 km) |
| Niagara Falls to Bourg-les-Valence | 3,972.09 mi (6,392.45 km) |
| Niagara Falls to Bourges | 3,795.24 mi (6,107.85 km) |
| Niagara Falls to Bourgoin-Jallieu | 3,965.56 mi (6,381.95 km) |
| Niagara Falls to Bressuire | 3,682.28 mi (5,926.06 km) |
| Niagara Falls to Brest | 3,468.08 mi (5,581.34 km) |
| Niagara Falls to Bretigny-sur-Orge | 3,742.67 mi (6,023.25 km) |
| Niagara Falls to Breuillet | 3,738.62 mi (6,016.73 km) |
| Niagara Falls to Briancon | 4,046.89 mi (6,512.83 km) |
