| Cities | Distance |
|---|
| Os to Beyne-Heusay | 664.03 mi (1,068.66 km) |
| Os to Bierbeek | 649.62 mi (1,045.46 km) |
| Os to Bilzen | 646.73 mi (1,040.81 km) |
| Os to Binche | 680.89 mi (1,095.78 km) |
| Os to Bissegem | 656.06 mi (1,055.83 km) |
| Os to Blankenberge | 623.47 mi (1,003.37 km) |
| Os to Blegny | 660.62 mi (1,063.17 km) |
| Os to Bocholt | 625.63 mi (1,006.86 km) |
| Os to Boechout | 628.32 mi (1,011.19 km) |
| Os to Bonheiden | 636.26 mi (1,023.97 km) |
| Os to Boom | 633.22 mi (1,019.06 km) |
| Os to Boortmeerbeek | 639.64 mi (1,029.40 km) |
| Os to Borgerhout | 624.17 mi (1,004.51 km) |
| Os to Borgloon | 651.20 mi (1,048.01 km) |
| Os to Bornem | 632.43 mi (1,017.81 km) |
