| North Potomac to Bierun | 4,462.67 mi (7,181.97 km) |
| North Potomac to Bierun Stary | 4,463.96 mi (7,184.06 km) |
| North Potomac to Bilgoraj | 4,582.54 mi (7,374.89 km) |
| North Potomac to Biskupiec | 4,397.09 mi (7,076.44 km) |
| North Potomac to Blachownia | 4,434.40 mi (7,136.48 km) |
| North Potomac to Blonie | 4,444.35 mi (7,152.49 km) |
| North Potomac to Bochnia | 4,518.40 mi (7,271.66 km) |
| North Potomac to Bogatynia | 4,278.29 mi (6,885.24 km) |
| North Potomac to Boguszow-Gorce | 4,330.46 mi (6,969.20 km) |
| North Potomac to Boleslawiec | 4,289.63 mi (6,903.50 km) |
| North Potomac to Braniewo | 4,339.44 mi (6,983.65 km) |
| North Potomac to Brodnica | 4,362.95 mi (7,021.49 km) |
| North Potomac to Brwinow | 4,450.07 mi (7,161.70 km) |
| North Potomac to Brzeg | 4,375.71 mi (7,042.02 km) |
| North Potomac to Brzeg Dolny | 4,333.11 mi (6,973.47 km) |
