| Harlau to Mouscron | 1,091.36 mi (1,756.37 km) |
| Harlau to Namur | 1,018.11 mi (1,638.48 km) |
| Harlau to Neder-Over-Heembeek | 1,041.28 mi (1,675.77 km) |
| Harlau to Neerpelt | 998.19 mi (1,606.43 km) |
| Harlau to Nevele | 1,078.13 mi (1,735.08 km) |
| Harlau to Niel | 1,044.72 mi (1,681.31 km) |
| Harlau to Nieuwpoort | 1,113.18 mi (1,791.48 km) |
| Harlau to Nijlen | 1,031.39 mi (1,659.86 km) |
| Harlau to Ninove | 1,056.88 mi (1,700.88 km) |
| Harlau to Nivelles | 1,042.69 mi (1,678.05 km) |
| Harlau to Olen | 1,022.65 mi (1,645.79 km) |
| Harlau to Oostakker | 1,069.11 mi (1,720.56 km) |
| Harlau to Oosterzele | 1,066.87 mi (1,716.96 km) |
| Harlau to Oostkamp | 1,092.37 mi (1,758.01 km) |
| Harlau to Opglabbeek | 990.28 mi (1,593.70 km) |
