| Harmanli to Menen | 1,239.42 mi (1,994.65 km) |
| Harmanli to Merchtem | 1,198.83 mi (1,929.34 km) |
| Harmanli to Merelbeke | 1,219.13 mi (1,961.99 km) |
| Harmanli to Merksem | 1,198.16 mi (1,928.25 km) |
| Harmanli to Merksplas | 1,185.02 mi (1,907.10 km) |
| Harmanli to Mettet | 1,164.69 mi (1,874.39 km) |
| Harmanli to Meulebeke | 1,236.53 mi (1,990.00 km) |
| Harmanli to Middelkerke | 1,261.37 mi (2,029.97 km) |
| Harmanli to Mol | 1,169.86 mi (1,882.71 km) |
| Harmanli to Mons | 1,196.99 mi (1,926.37 km) |
| Harmanli to Montignies-le-Tilleul | 1,177.54 mi (1,895.06 km) |
| Harmanli to Moorslede | 1,244.16 mi (2,002.28 km) |
| Harmanli to Moortebeek | 1,191.60 mi (1,917.70 km) |
| Harmanli to Morlanwelz-Mariemont | 1,185.37 mi (1,907.66 km) |
| Harmanli to Mortsel | 1,195.02 mi (1,923.20 km) |
