| Sofia to Menen | 1,102.94 mi (1,775.01 km) |
| Sofia to Merchtem | 1,063.39 mi (1,711.36 km) |
| Sofia to Merelbeke | 1,083.45 mi (1,743.64 km) |
| Sofia to Merksem | 1,063.52 mi (1,711.57 km) |
| Sofia to Merksplas | 1,051.01 mi (1,691.44 km) |
| Sofia to Mettet | 1,028.04 mi (1,654.47 km) |
| Sofia to Meulebeke | 1,100.47 mi (1,771.03 km) |
| Sofia to Middelkerke | 1,125.55 mi (1,811.40 km) |
| Sofia to Mol | 1,035.58 mi (1,666.61 km) |
| Sofia to Mons | 1,060.22 mi (1,706.27 km) |
| Sofia to Montignies-le-Tilleul | 1,040.87 mi (1,675.12 km) |
| Sofia to Moorslede | 1,107.84 mi (1,782.90 km) |
| Sofia to Moortebeek | 1,055.96 mi (1,699.41 km) |
| Sofia to Morlanwelz-Mariemont | 1,048.76 mi (1,687.81 km) |
| Sofia to Mortsel | 1,060.21 mi (1,706.25 km) |
