| Harlau to Menen | 1,095.72 mi (1,763.39 km) |
| Harlau to Merchtem | 1,048.15 mi (1,686.84 km) |
| Harlau to Merelbeke | 1,069.29 mi (1,720.86 km) |
| Harlau to Merksem | 1,040.90 mi (1,675.17 km) |
| Harlau to Merksplas | 1,023.58 mi (1,647.30 km) |
| Harlau to Mettet | 1,026.80 mi (1,652.48 km) |
| Harlau to Meulebeke | 1,089.15 mi (1,752.82 km) |
| Harlau to Middelkerke | 1,110.51 mi (1,787.19 km) |
| Harlau to Mol | 1,011.40 mi (1,627.70 km) |
| Harlau to Mons | 1,058.32 mi (1,703.20 km) |
| Harlau to Montignies-le-Tilleul | 1,039.06 mi (1,672.20 km) |
| Harlau to Moorslede | 1,098.65 mi (1,768.10 km) |
| Harlau to Moortebeek | 1,042.98 mi (1,678.51 km) |
| Harlau to Morlanwelz-Mariemont | 1,045.87 mi (1,683.16 km) |
| Harlau to Mortsel | 1,039.29 mi (1,672.58 km) |
