| Niagara Falls to Blumberg | 4,019.28 mi (6,468.41 km) |
| Niagara Falls to Bobenheim-Roxheim | 3,951.63 mi (6,359.54 km) |
| Niagara Falls to Bobingen | 4,093.98 mi (6,588.62 km) |
| Niagara Falls to Boblingen | 4,008.42 mi (6,450.93 km) |
| Niagara Falls to Bocholt | 3,810.18 mi (6,131.89 km) |
| Niagara Falls to Bochum | 3,844.21 mi (6,186.66 km) |
| Niagara Falls to Bockenem | 3,936.01 mi (6,334.39 km) |
| Niagara Falls to Bockhorn | 3,812.51 mi (6,135.64 km) |
| Niagara Falls to Bogen | 4,142.28 mi (6,666.36 km) |
| Niagara Falls to Bohl-Iggelheim | 3,956.89 mi (6,368.00 km) |
| Niagara Falls to Bohmte | 3,856.81 mi (6,206.94 km) |
| Niagara Falls to Boizenburg | 3,911.68 mi (6,295.25 km) |
| Niagara Falls to Bonen | 3,860.99 mi (6,213.67 km) |
| Niagara Falls to Bonn | 3,864.24 mi (6,218.89 km) |
| Niagara Falls to Bopfingen | 4,054.54 mi (6,525.16 km) |
