| Grande-Synthe to Bierun Stary | 738.24 mi (1,188.08 km) |
| Grande-Synthe to Bilgoraj | 890.24 mi (1,432.70 km) |
| Grande-Synthe to Biskupiec | 807.83 mi (1,300.07 km) |
| Grande-Synthe to Blachownia | 724.79 mi (1,166.43 km) |
| Grande-Synthe to Blonie | 787.99 mi (1,268.15 km) |
| Grande-Synthe to Bochnia | 797.98 mi (1,284.22 km) |
| Grande-Synthe to Bogatynia | 550.07 mi (885.25 km) |
| Grande-Synthe to Boguszow-Gorce | 605.05 mi (973.73 km) |
| Grande-Synthe to Boleslawiec | 574.48 mi (924.53 km) |
| Grande-Synthe to Braniewo | 767.70 mi (1,235.50 km) |
| Grande-Synthe to Brodnica | 739.38 mi (1,189.92 km) |
| Grande-Synthe to Brwinow | 792.33 mi (1,275.13 km) |
| Grande-Synthe to Brzeg | 659.83 mi (1,061.90 km) |
| Grande-Synthe to Brzeg Dolny | 624.24 mi (1,004.62 km) |
| Grande-Synthe to Brzesko | 806.18 mi (1,297.43 km) |
