| Grosuplje to Mangualde | 1,182.01 mi (1,902.26 km) |
| Grosuplje to Marco de Canavezes | 1,183.71 mi (1,904.99 km) |
| Grosuplje to Marinha Grande | 1,263.78 mi (2,033.86 km) |
| Grosuplje to Massama | 1,312.84 mi (2,112.81 km) |
| Grosuplje to Matosinhos | 1,209.89 mi (1,947.13 km) |
| Grosuplje to Mealhada | 1,221.24 mi (1,965.40 km) |
| Grosuplje to Melgaco | 1,164.70 mi (1,874.41 km) |
| Grosuplje to Melres | 1,198.87 mi (1,929.39 km) |
| Grosuplje to Mira | 1,233.14 mi (1,984.55 km) |
| Grosuplje to Miranda do Corvo | 1,224.45 mi (1,970.56 km) |
| Grosuplje to Mirandela | 1,129.32 mi (1,817.46 km) |
| Grosuplje to Mogadouro | 1,111.43 mi (1,788.67 km) |
| Grosuplje to Moimenta da Beira | 1,164.00 mi (1,873.28 km) |
| Grosuplje to Moita | 1,302.97 mi (2,096.92 km) |
| Grosuplje to Moncao | 1,175.99 mi (1,892.57 km) |
