| Guyancourt to Bierun Stary | 768.47 mi (1,236.73 km) |
| Guyancourt to Bilgoraj | 929.04 mi (1,495.15 km) |
| Guyancourt to Biskupiec | 885.07 mi (1,424.39 km) |
| Guyancourt to Blachownia | 764.66 mi (1,230.60 km) |
| Guyancourt to Blonie | 846.23 mi (1,361.88 km) |
| Guyancourt to Bochnia | 828.02 mi (1,332.57 km) |
| Guyancourt to Bogatynia | 591.88 mi (952.54 km) |
| Guyancourt to Boguszow-Gorce | 644.21 mi (1,036.75 km) |
| Guyancourt to Boleslawiec | 622.30 mi (1,001.50 km) |
| Guyancourt to Braniewo | 852.24 mi (1,371.54 km) |
| Guyancourt to Brodnica | 811.69 mi (1,306.29 km) |
| Guyancourt to Brwinow | 849.81 mi (1,367.64 km) |
| Guyancourt to Brzeg | 700.65 mi (1,127.58 km) |
| Guyancourt to Brzeg Dolny | 671.49 mi (1,080.66 km) |
| Guyancourt to Brzesko | 836.19 mi (1,345.72 km) |
