| Mairena del Aljarafe to Bierun | 1,524.44 mi (2,453.35 km) |
| Mairena del Aljarafe to Bierun Stary | 1,522.84 mi (2,450.78 km) |
| Mairena del Aljarafe to Bilgoraj | 1,682.66 mi (2,707.97 km) |
| Mairena del Aljarafe to Biskupiec | 1,716.81 mi (2,762.94 km) |
| Mairena del Aljarafe to Blachownia | 1,539.33 mi (2,477.32 km) |
| Mairena del Aljarafe to Blonie | 1,647.70 mi (2,651.72 km) |
| Mairena del Aljarafe to Bochnia | 1,573.84 mi (2,532.85 km) |
| Mairena del Aljarafe to Bogatynia | 1,393.39 mi (2,242.44 km) |
| Mairena del Aljarafe to Boguszow-Gorce | 1,433.64 mi (2,307.22 km) |
| Mairena del Aljarafe to Boleslawiec | 1,429.24 mi (2,300.13 km) |
| Mairena del Aljarafe to Braniewo | 1,696.80 mi (2,730.74 km) |
| Mairena del Aljarafe to Brodnica | 1,639.94 mi (2,639.23 km) |
| Mairena del Aljarafe to Brwinow | 1,649.57 mi (2,654.72 km) |
| Mairena del Aljarafe to Brzeg | 1,485.29 mi (2,390.34 km) |
| Mairena del Aljarafe to Brzeg Dolny | 1,471.25 mi (2,367.75 km) |
