| Potomac to Bierun | 4,465.03 mi (7,185.77 km) |
| Potomac to Bierun Stary | 4,466.32 mi (7,187.85 km) |
| Potomac to Bilgoraj | 4,585.07 mi (7,378.96 km) |
| Potomac to Biskupiec | 4,399.86 mi (7,080.89 km) |
| Potomac to Blachownia | 4,436.82 mi (7,140.37 km) |
| Potomac to Blonie | 4,446.95 mi (7,156.68 km) |
| Potomac to Bochnia | 4,520.79 mi (7,275.51 km) |
| Potomac to Bogatynia | 4,280.58 mi (6,888.92 km) |
| Potomac to Boguszow-Gorce | 4,332.78 mi (6,972.93 km) |
| Potomac to Boleslawiec | 4,291.98 mi (6,907.27 km) |
| Potomac to Braniewo | 4,342.22 mi (6,988.12 km) |
| Potomac to Brodnica | 4,365.61 mi (7,025.77 km) |
| Potomac to Brwinow | 4,452.67 mi (7,165.88 km) |
| Potomac to Brzeg | 4,378.08 mi (7,045.84 km) |
| Potomac to Brzeg Dolny | 4,335.50 mi (6,977.31 km) |
