| Kardzhali to Beyne-Heusay | 1,123.71 mi (1,808.44 km) |
| Kardzhali to Bierbeek | 1,165.03 mi (1,874.94 km) |
| Kardzhali to Bilzen | 1,136.55 mi (1,829.09 km) |
| Kardzhali to Binche | 1,176.98 mi (1,894.17 km) |
| Kardzhali to Bissegem | 1,226.50 mi (1,973.86 km) |
| Kardzhali to Blankenberge | 1,243.59 mi (2,001.37 km) |
| Kardzhali to Blegny | 1,121.95 mi (1,805.60 km) |
| Kardzhali to Bocholt | 1,143.66 mi (1,840.54 km) |
| Kardzhali to Boechout | 1,185.51 mi (1,907.89 km) |
| Kardzhali to Bonheiden | 1,180.10 mi (1,899.18 km) |
| Kardzhali to Boom | 1,188.11 mi (1,912.09 km) |
| Kardzhali to Boortmeerbeek | 1,177.31 mi (1,894.70 km) |
| Kardzhali to Borgerhout | 1,189.01 mi (1,913.53 km) |
| Kardzhali to Borgloon | 1,141.38 mi (1,836.87 km) |
| Kardzhali to Bornem | 1,193.85 mi (1,921.31 km) |
