| Mountain Ash to Bierun | 981.27 mi (1,579.20 km) |
| Mountain Ash to Bierun Stary | 981.74 mi (1,579.96 km) |
| Mountain Ash to Bilgoraj | 1,129.21 mi (1,817.29 km) |
| Mountain Ash to Biskupiec | 1,023.56 mi (1,647.27 km) |
| Mountain Ash to Blachownia | 964.97 mi (1,552.96 km) |
| Mountain Ash to Blonie | 1,018.05 mi (1,638.39 km) |
| Mountain Ash to Bochnia | 1,041.05 mi (1,675.41 km) |
| Mountain Ash to Bogatynia | 791.93 mi (1,274.49 km) |
| Mountain Ash to Boguszow-Gorce | 847.02 mi (1,363.14 km) |
| Mountain Ash to Boleslawiec | 813.57 mi (1,309.32 km) |
| Mountain Ash to Braniewo | 977.68 mi (1,573.42 km) |
| Mountain Ash to Brodnica | 960.62 mi (1,545.97 km) |
| Mountain Ash to Brwinow | 1,022.78 mi (1,646.01 km) |
| Mountain Ash to Brzeg | 900.44 mi (1,449.13 km) |
| Mountain Ash to Brzeg Dolny | 862.72 mi (1,388.41 km) |
