| Castres to Bierun Stary | 910.60 mi (1,465.47 km) |
| Castres to Bilgoraj | 1,072.00 mi (1,725.22 km) |
| Castres to Biskupiec | 1,103.41 mi (1,775.77 km) |
| Castres to Blachownia | 925.41 mi (1,489.31 km) |
| Castres to Blonie | 1,033.02 mi (1,662.49 km) |
| Castres to Bochnia | 963.18 mi (1,550.09 km) |
| Castres to Bogatynia | 779.13 mi (1,253.89 km) |
| Castres to Boguszow-Gorce | 818.95 mi (1,317.97 km) |
| Castres to Boleslawiec | 815.10 mi (1,311.78 km) |
| Castres to Braniewo | 1,085.55 mi (1,747.02 km) |
| Castres to Brodnica | 1,026.50 mi (1,651.99 km) |
| Castres to Brwinow | 1,034.91 mi (1,665.52 km) |
| Castres to Brzeg | 870.71 mi (1,401.27 km) |
| Castres to Brzeg Dolny | 856.66 mi (1,378.66 km) |
| Castres to Brzesko | 970.44 mi (1,561.78 km) |
