| Alcacer do Sal to Menen | 1,029.08 mi (1,656.15 km) |
| Alcacer do Sal to Merchtem | 1,068.87 mi (1,720.18 km) |
| Alcacer do Sal to Merelbeke | 1,057.19 mi (1,701.38 km) |
| Alcacer do Sal to Merksem | 1,089.25 mi (1,752.98 km) |
| Alcacer do Sal to Merksplas | 1,107.72 mi (1,782.71 km) |
| Alcacer do Sal to Mettet | 1,047.85 mi (1,686.35 km) |
| Alcacer do Sal to Meulebeke | 1,041.91 mi (1,676.79 km) |
| Alcacer do Sal to Middelkerke | 1,042.58 mi (1,677.87 km) |
| Alcacer do Sal to Mol | 1,105.41 mi (1,778.99 km) |
| Alcacer do Sal to Mons | 1,033.72 mi (1,663.61 km) |
| Alcacer do Sal to Montignies-le-Tilleul | 1,042.93 mi (1,678.44 km) |
| Alcacer do Sal to Moorslede | 1,032.70 mi (1,661.96 km) |
| Alcacer do Sal to Moortebeek | 1,066.00 mi (1,715.55 km) |
| Alcacer do Sal to Morlanwelz-Mariemont | 1,041.95 mi (1,676.85 km) |
| Alcacer do Sal to Mortsel | 1,085.96 mi (1,747.69 km) |
