| Seinajoki to Bierun Stary | 888.85 mi (1,430.47 km) |
| Seinajoki to Bilgoraj | 845.83 mi (1,361.23 km) |
| Seinajoki to Biskupiec | 620.33 mi (998.33 km) |
| Seinajoki to Blachownia | 842.18 mi (1,355.36 km) |
| Seinajoki to Blonie | 736.35 mi (1,185.04 km) |
| Seinajoki to Bochnia | 889.60 mi (1,431.67 km) |
| Seinajoki to Bogatynia | 872.01 mi (1,403.36 km) |
| Seinajoki to Boguszow-Gorce | 866.95 mi (1,395.22 km) |
| Seinajoki to Boleslawiec | 840.71 mi (1,353.00 km) |
| Seinajoki to Braniewo | 590.82 mi (950.83 km) |
| Seinajoki to Brodnica | 670.32 mi (1,078.77 km) |
| Seinajoki to Brwinow | 739.97 mi (1,190.86 km) |
| Seinajoki to Brzeg | 847.76 mi (1,364.33 km) |
| Seinajoki to Brzeg Dolny | 827.72 mi (1,332.08 km) |
| Seinajoki to Brzesko | 890.07 mi (1,432.43 km) |
