| Kardzhali to Bierun Stary | 656.05 mi (1,055.81 km) |
| Kardzhali to Bilgoraj | 627.63 mi (1,010.07 km) |
| Kardzhali to Biskupiec | 868.05 mi (1,396.99 km) |
| Kardzhali to Blachownia | 700.67 mi (1,127.63 km) |
| Kardzhali to Blonie | 762.19 mi (1,226.63 km) |
| Kardzhali to Bochnia | 622.51 mi (1,001.84 km) |
| Kardzhali to Bogatynia | 808.42 mi (1,301.02 km) |
| Kardzhali to Boguszow-Gorce | 766.12 mi (1,232.96 km) |
| Kardzhali to Boleslawiec | 810.30 mi (1,304.05 km) |
| Kardzhali to Braniewo | 915.49 mi (1,473.34 km) |
| Kardzhali to Brodnica | 848.54 mi (1,365.59 km) |
| Kardzhali to Brwinow | 757.02 mi (1,218.30 km) |
| Kardzhali to Brzeg | 738.87 mi (1,189.10 km) |
| Kardzhali to Brzeg Dolny | 780.59 mi (1,256.23 km) |
| Kardzhali to Brzesko | 618.17 mi (994.85 km) |
