| Smolyan to Beyne-Heusay | 1,100.55 mi (1,771.17 km) |
| Smolyan to Bierbeek | 1,141.79 mi (1,837.53 km) |
| Smolyan to Bilzen | 1,113.69 mi (1,792.31 km) |
| Smolyan to Binche | 1,152.89 mi (1,855.40 km) |
| Smolyan to Bissegem | 1,202.63 mi (1,935.44 km) |
| Smolyan to Blankenberge | 1,220.33 mi (1,963.93 km) |
| Smolyan to Blegny | 1,098.90 mi (1,768.50 km) |
| Smolyan to Bocholt | 1,121.27 mi (1,804.51 km) |
| Smolyan to Boechout | 1,162.59 mi (1,871.01 km) |
| Smolyan to Bonheiden | 1,157.04 mi (1,862.07 km) |
| Smolyan to Boom | 1,165.05 mi (1,874.97 km) |
| Smolyan to Boortmeerbeek | 1,154.20 mi (1,857.50 km) |
| Smolyan to Borgerhout | 1,166.16 mi (1,876.75 km) |
| Smolyan to Borgloon | 1,118.35 mi (1,799.81 km) |
| Smolyan to Bornem | 1,170.76 mi (1,884.15 km) |
