| Niagara Falls to Bicaz | 4,722.64 mi (7,600.35 km) |
| Niagara Falls to Bistrita | 4,655.47 mi (7,492.25 km) |
| Niagara Falls to Blaj | 4,676.39 mi (7,525.93 km) |
| Niagara Falls to Bocsa | 4,629.13 mi (7,449.87 km) |
| Niagara Falls to Boldesti-Scaeni | 4,805.55 mi (7,733.78 km) |
| Niagara Falls to Bolintin Vale | 4,821.99 mi (7,760.24 km) |
| Niagara Falls to Borsa | 4,638.31 mi (7,464.64 km) |
| Niagara Falls to Botosani | 4,705.42 mi (7,572.64 km) |
| Niagara Falls to Brad | 4,636.82 mi (7,462.25 km) |
| Niagara Falls to Bragadiru | 4,833.55 mi (7,778.85 km) |
| Niagara Falls to Braila | 4,864.73 mi (7,829.02 km) |
| Niagara Falls to Brasov | 4,761.55 mi (7,662.97 km) |
| Niagara Falls to Breaza | 4,784.89 mi (7,700.54 km) |
| Niagara Falls to Bucharest | 4,835.51 mi (7,782.00 km) |
| Niagara Falls to Buftea | 4,823.54 mi (7,762.74 km) |
