| Biddeford to Bicaz | 4,388.71 mi (7,062.94 km) |
| Biddeford to Bistrita | 4,318.97 mi (6,950.71 km) |
| Biddeford to Blaj | 4,334.74 mi (6,976.09 km) |
| Biddeford to Bocsa | 4,279.68 mi (6,887.47 km) |
| Biddeford to Boldesti-Scaeni | 4,464.00 mi (7,184.11 km) |
| Biddeford to Bolintin Vale | 4,477.59 mi (7,205.99 km) |
| Biddeford to Borsa | 4,304.33 mi (6,927.15 km) |
| Biddeford to Botosani | 4,376.24 mi (7,042.88 km) |
| Biddeford to Brad | 4,292.60 mi (6,908.28 km) |
| Biddeford to Bragadiru | 4,489.35 mi (7,224.91 km) |
| Biddeford to Braila | 4,528.47 mi (7,287.87 km) |
| Biddeford to Brasov | 4,421.57 mi (7,115.83 km) |
| Biddeford to Breaza | 4,443.13 mi (7,150.53 km) |
| Biddeford to Bucharest | 4,491.83 mi (7,228.90 km) |
| Biddeford to Buftea | 4,480.04 mi (7,209.93 km) |
