| Castelo Branco to Bierun | 1,471.38 mi (2,367.95 km) |
| Castelo Branco to Bierun Stary | 1,470.11 mi (2,365.91 km) |
| Castelo Branco to Bilgoraj | 1,632.99 mi (2,628.04 km) |
| Castelo Branco to Biskupiec | 1,640.85 mi (2,640.69 km) |
| Castelo Branco to Blachownia | 1,480.93 mi (2,383.32 km) |
| Castelo Branco to Blonie | 1,582.30 mi (2,546.47 km) |
| Castelo Branco to Bochnia | 1,524.56 mi (2,453.54 km) |
| Castelo Branco to Bogatynia | 1,323.94 mi (2,130.68 km) |
| Castelo Branco to Boguszow-Gorce | 1,368.74 mi (2,202.77 km) |
| Castelo Branco to Boleslawiec | 1,358.74 mi (2,186.68 km) |
| Castelo Branco to Braniewo | 1,615.19 mi (2,599.40 km) |
| Castelo Branco to Brodnica | 1,564.68 mi (2,518.11 km) |
| Castelo Branco to Brwinow | 1,584.78 mi (2,550.46 km) |
| Castelo Branco to Brzeg | 1,422.85 mi (2,289.86 km) |
| Castelo Branco to Brzeg Dolny | 1,403.82 mi (2,259.23 km) |
