| Biddeford to Bierun | 3,999.26 mi (6,436.18 km) |
| Biddeford to Bierun Stary | 4,000.54 mi (6,438.24 km) |
| Biddeford to Bilgoraj | 4,119.97 mi (6,630.45 km) |
| Biddeford to Biskupiec | 3,936.50 mi (6,335.18 km) |
| Biddeford to Blachownia | 3,971.21 mi (6,391.05 km) |
| Biddeford to Blonie | 3,982.29 mi (6,408.88 km) |
| Biddeford to Bochnia | 4,055.12 mi (6,526.09 km) |
| Biddeford to Bogatynia | 3,814.66 mi (6,139.11 km) |
| Biddeford to Boguszow-Gorce | 3,866.91 mi (6,223.19 km) |
| Biddeford to Boleslawiec | 3,826.17 mi (6,157.63 km) |
| Biddeford to Braniewo | 3,878.97 mi (6,242.60 km) |
| Biddeford to Brodnica | 3,901.35 mi (6,278.62 km) |
| Biddeford to Brwinow | 3,987.99 mi (6,418.06 km) |
| Biddeford to Brzeg | 3,912.34 mi (6,296.30 km) |
| Biddeford to Brzeg Dolny | 3,869.79 mi (6,227.83 km) |
