| Upper Grand Lagoon to Bierun | 5,243.49 mi (8,438.58 km) |
| Upper Grand Lagoon to Bierun Stary | 5,244.74 mi (8,440.60 km) |
| Upper Grand Lagoon to Bilgoraj | 5,364.66 mi (8,633.59 km) |
| Upper Grand Lagoon to Biskupiec | 5,179.91 mi (8,336.27 km) |
| Upper Grand Lagoon to Blachownia | 5,215.72 mi (8,393.89 km) |
| Upper Grand Lagoon to Blonie | 5,226.83 mi (8,411.77 km) |
| Upper Grand Lagoon to Bochnia | 5,299.53 mi (8,528.78 km) |
| Upper Grand Lagoon to Bogatynia | 5,058.40 mi (8,140.71 km) |
| Upper Grand Lagoon to Boguszow-Gorce | 5,110.87 mi (8,225.15 km) |
| Upper Grand Lagoon to Boleslawiec | 5,070.33 mi (8,159.90 km) |
| Upper Grand Lagoon to Braniewo | 5,122.26 mi (8,243.48 km) |
| Upper Grand Lagoon to Brodnica | 5,145.62 mi (8,281.08 km) |
| Upper Grand Lagoon to Brwinow | 5,232.54 mi (8,420.96 km) |
| Upper Grand Lagoon to Brzeg | 5,156.64 mi (8,298.82 km) |
| Upper Grand Lagoon to Brzeg Dolny | 5,114.17 mi (8,230.46 km) |
