| Sfantu-Gheorghe to Mangualde | 1,714.08 mi (2,758.54 km) |
| Sfantu-Gheorghe to Marco de Canavezes | 1,717.22 mi (2,763.59 km) |
| Sfantu-Gheorghe to Marinha Grande | 1,794.76 mi (2,888.39 km) |
| Sfantu-Gheorghe to Massama | 1,841.26 mi (2,963.23 km) |
| Sfantu-Gheorghe to Matosinhos | 1,743.67 mi (2,806.16 km) |
| Sfantu-Gheorghe to Mealhada | 1,753.36 mi (2,821.76 km) |
| Sfantu-Gheorghe to Melgaco | 1,699.30 mi (2,734.76 km) |
| Sfantu-Gheorghe to Melres | 1,732.32 mi (2,787.90 km) |
| Sfantu-Gheorghe to Mira | 1,765.59 mi (2,841.44 km) |
| Sfantu-Gheorghe to Miranda do Corvo | 1,755.76 mi (2,825.62 km) |
| Sfantu-Gheorghe to Mirandela | 1,662.82 mi (2,676.05 km) |
| Sfantu-Gheorghe to Mogadouro | 1,644.36 mi (2,646.34 km) |
| Sfantu-Gheorghe to Moimenta da Beira | 1,696.80 mi (2,730.74 km) |
| Sfantu-Gheorghe to Moita | 1,830.61 mi (2,946.08 km) |
| Sfantu-Gheorghe to Moncao | 1,710.59 mi (2,752.93 km) |
