| Niagara Falls to Barberino di Mugello | 4,271.29 mi (6,873.98 km) |
| Niagara Falls to Barcellona-Pozzo di Gotto | 4,676.83 mi (7,526.64 km) |
| Niagara Falls to Bareggio | 4,123.22 mi (6,635.69 km) |
| Niagara Falls to Barga | 4,237.21 mi (6,819.14 km) |
| Niagara Falls to Bari | 4,619.65 mi (7,434.61 km) |
| Niagara Falls to Barletta | 4,587.57 mi (7,382.98 km) |
| Niagara Falls to Baronissi | 4,548.65 mi (7,320.35 km) |
| Niagara Falls to Barrafranca | 4,666.38 mi (7,509.81 km) |
| Niagara Falls to Bassano del Grappa | 4,223.61 mi (6,797.24 km) |
| Niagara Falls to Battipaglia | 4,562.94 mi (7,343.34 km) |
| Niagara Falls to Beinasco | 4,081.99 mi (6,569.33 km) |
| Niagara Falls to Bellinzago Novarese | 4,104.59 mi (6,605.70 km) |
| Niagara Falls to Belluno | 4,228.66 mi (6,805.37 km) |
| Niagara Falls to Belmonte Mezzagno | 4,602.20 mi (7,406.52 km) |
| Niagara Falls to Belpasso | 4,690.99 mi (7,549.42 km) |
