| Siran to Beyne-Heusay | 1,757.35 mi (2,828.18 km) |
| Siran to Bierbeek | 1,798.12 mi (2,893.79 km) |
| Siran to Bilzen | 1,766.46 mi (2,842.84 km) |
| Siran to Binche | 1,818.85 mi (2,927.16 km) |
| Siran to Bissegem | 1,864.57 mi (3,000.73 km) |
| Siran to Blankenberge | 1,874.38 mi (3,016.52 km) |
| Siran to Blegny | 1,754.44 mi (2,823.51 km) |
| Siran to Bocholt | 1,768.14 mi (2,845.54 km) |
| Siran to Boechout | 1,814.35 mi (2,919.91 km) |
| Siran to Bonheiden | 1,810.69 mi (2,914.02 km) |
| Siran to Boom | 1,818.44 mi (2,926.50 km) |
| Siran to Boortmeerbeek | 1,808.61 mi (2,910.68 km) |
| Siran to Borgerhout | 1,816.98 mi (2,924.14 km) |
| Siran to Borgloon | 1,773.00 mi (2,853.37 km) |
| Siran to Bornem | 1,824.34 mi (2,936.00 km) |
