| Harlau to Leopoldsburg | 1,004.91 mi (1,617.25 km) |
| Harlau to Lessines | 1,064.37 mi (1,712.93 km) |
| Harlau to Leuven | 1,027.42 mi (1,653.48 km) |
| Harlau to Lichtervelde | 1,096.19 mi (1,764.15 km) |
| Harlau to Liedekerke | 1,054.14 mi (1,696.48 km) |
| Harlau to Liege | 988.12 mi (1,590.22 km) |
| Harlau to Lierre | 1,034.75 mi (1,665.27 km) |
| Harlau to Lille | 1,023.98 mi (1,647.93 km) |
| Harlau to Lint | 1,038.24 mi (1,670.89 km) |
| Harlau to Lochristi | 1,066.23 mi (1,715.93 km) |
| Harlau to Lokeren | 1,059.74 mi (1,705.49 km) |
| Harlau to Lommel | 1,003.20 mi (1,614.49 km) |
| Harlau to Londerzeel | 1,045.45 mi (1,682.49 km) |
| Harlau to Louvain-la-Neuve | 1,035.03 mi (1,665.71 km) |
| Harlau to Lovendegem | 1,076.32 mi (1,732.16 km) |
