| Harnes to Menen | 26.01 mi (41.85 km) |
| Harnes to Merchtem | 68.36 mi (110.02 km) |
| Harnes to Merelbeke | 53.24 mi (85.67 km) |
| Harnes to Merksem | 86.75 mi (139.62 km) |
| Harnes to Merksplas | 106.55 mi (171.48 km) |
| Harnes to Mettet | 77.64 mi (124.94 km) |
| Harnes to Meulebeke | 38.65 mi (62.21 km) |
| Harnes to Middelkerke | 51.25 mi (82.48 km) |
| Harnes to Mol | 109.16 mi (175.68 km) |
| Harnes to Mons | 45.94 mi (73.94 km) |
| Harnes to Montignies-le-Tilleul | 65.19 mi (104.91 km) |
| Harnes to Moorslede | 31.55 mi (50.77 km) |
| Harnes to Moortebeek | 68.86 mi (110.81 km) |
| Harnes to Morlanwelz-Mariemont | 58.41 mi (94.00 km) |
| Harnes to Mortsel | 84.45 mi (135.90 km) |
