| Sempeter pri Gorici to Mangualde | 1,133.59 mi (1,824.34 km) |
| Sempeter pri Gorici to Marco de Canavezes | 1,135.04 mi (1,826.67 km) |
| Sempeter pri Gorici to Marinha Grande | 1,215.53 mi (1,956.20 km) |
| Sempeter pri Gorici to Massama | 1,264.97 mi (2,035.77 km) |
| Sempeter pri Gorici to Matosinhos | 1,161.17 mi (1,868.72 km) |
| Sempeter pri Gorici to Mealhada | 1,172.81 mi (1,887.45 km) |
| Sempeter pri Gorici to Melgaco | 1,115.81 mi (1,795.73 km) |
| Sempeter pri Gorici to Melres | 1,150.21 mi (1,851.09 km) |
| Sempeter pri Gorici to Mira | 1,184.65 mi (1,906.51 km) |
| Sempeter pri Gorici to Miranda do Corvo | 1,176.15 mi (1,892.83 km) |
| Sempeter pri Gorici to Mirandela | 1,080.66 mi (1,739.15 km) |
| Sempeter pri Gorici to Mogadouro | 1,062.87 mi (1,710.52 km) |
| Sempeter pri Gorici to Moimenta da Beira | 1,115.46 mi (1,795.16 km) |
| Sempeter pri Gorici to Moita | 1,255.21 mi (2,020.07 km) |
| Sempeter pri Gorici to Moncao | 1,127.09 mi (1,813.88 km) |
