| Sanderstead to Mangualde | 827.05 mi (1,331.01 km) |
| Sanderstead to Marco de Canavezes | 799.26 mi (1,286.29 km) |
| Sanderstead to Marinha Grande | 906.37 mi (1,458.66 km) |
| Sanderstead to Massama | 976.37 mi (1,571.32 km) |
| Sanderstead to Matosinhos | 812.09 mi (1,306.93 km) |
| Sanderstead to Mealhada | 855.91 mi (1,377.45 km) |
| Sanderstead to Melgaco | 744.62 mi (1,198.35 km) |
| Sanderstead to Melres | 812.22 mi (1,307.15 km) |
| Sanderstead to Mira | 859.20 mi (1,382.75 km) |
| Sanderstead to Miranda do Corvo | 871.13 mi (1,401.94 km) |
| Sanderstead to Mirandela | 759.16 mi (1,221.75 km) |
| Sanderstead to Mogadouro | 759.38 mi (1,222.10 km) |
| Sanderstead to Moimenta da Beira | 800.20 mi (1,287.80 km) |
| Sanderstead to Moita | 976.81 mi (1,572.02 km) |
| Sanderstead to Moncao | 752.49 mi (1,211.02 km) |
