| Sinop to Bierun | 948.32 mi (1,526.18 km) |
| Sinop to Bierun Stary | 947.10 mi (1,524.20 km) |
| Sinop to Bilgoraj | 833.57 mi (1,341.49 km) |
| Sinop to Biskupiec | 1,044.87 mi (1,681.55 km) |
| Sinop to Blachownia | 976.50 mi (1,571.53 km) |
| Sinop to Blonie | 976.89 mi (1,572.14 km) |
| Sinop to Bochnia | 892.37 mi (1,436.13 km) |
| Sinop to Bogatynia | 1,134.47 mi (1,825.75 km) |
| Sinop to Boguszow-Gorce | 1,081.40 mi (1,740.34 km) |
| Sinop to Boleslawiec | 1,121.55 mi (1,804.96 km) |
| Sinop to Braniewo | 1,102.54 mi (1,774.37 km) |
| Sinop to Brodnica | 1,063.25 mi (1,711.13 km) |
| Sinop to Brwinow | 971.05 mi (1,562.75 km) |
| Sinop to Brzeg | 1,035.14 mi (1,665.90 km) |
| Sinop to Brzeg Dolny | 1,077.66 mi (1,734.33 km) |
