| Harlau to Beyne-Heusay | 984.52 mi (1,584.43 km) |
| Harlau to Bierbeek | 1,024.24 mi (1,648.36 km) |
| Harlau to Bilzen | 991.86 mi (1,596.24 km) |
| Harlau to Binche | 1,048.64 mi (1,687.62 km) |
| Harlau to Bissegem | 1,091.66 mi (1,756.85 km) |
| Harlau to Blankenberge | 1,098.29 mi (1,767.52 km) |
| Harlau to Blegny | 981.17 mi (1,579.04 km) |
| Harlau to Bocholt | 991.41 mi (1,595.51 km) |
| Harlau to Boechout | 1,038.46 mi (1,671.24 km) |
| Harlau to Bonheiden | 1,035.55 mi (1,666.56 km) |
| Harlau to Boom | 1,043.07 mi (1,678.65 km) |
| Harlau to Boortmeerbeek | 1,033.80 mi (1,663.73 km) |
| Harlau to Borgerhout | 1,040.72 mi (1,674.87 km) |
| Harlau to Borgloon | 998.98 mi (1,607.70 km) |
| Harlau to Bornem | 1,048.94 mi (1,688.10 km) |
