| Niagara Falls to Borgosatollo | 4,174.18 mi (6,717.69 km) |
| Niagara Falls to Borgosesia | 4,084.69 mi (6,573.67 km) |
| Niagara Falls to Boscoreale | 4,535.78 mi (7,299.64 km) |
| Niagara Falls to Boscotrecase | 4,534.40 mi (7,297.41 km) |
| Niagara Falls to Botticino Sera | 4,171.76 mi (6,713.80 km) |
| Niagara Falls to Bovalino Marina | 4,717.36 mi (7,591.85 km) |
| Niagara Falls to Boves | 4,105.61 mi (6,607.34 km) |
| Niagara Falls to Boville Ernica | 4,457.02 mi (7,172.87 km) |
| Niagara Falls to Bovisio Masciago | 4,124.51 mi (6,637.76 km) |
| Niagara Falls to Bovolone | 4,219.03 mi (6,789.87 km) |
| Niagara Falls to Bra | 4,104.65 mi (6,605.80 km) |
| Niagara Falls to Bracciano | 4,385.25 mi (7,057.38 km) |
| Niagara Falls to Brandizzo | 4,086.71 mi (6,576.93 km) |
| Niagara Falls to Breganze | 4,219.41 mi (6,790.48 km) |
| Niagara Falls to Brembate | 4,141.45 mi (6,665.03 km) |
