| Mendrisio to Mangualde | 915.66 mi (1,473.62 km) |
| Mendrisio to Marco de Canavezes | 915.06 mi (1,472.64 km) |
| Mendrisio to Marinha Grande | 998.74 mi (1,607.31 km) |
| Mendrisio to Massama | 1,050.88 mi (1,691.22 km) |
| Mendrisio to Matosinhos | 940.71 mi (1,513.93 km) |
| Mendrisio to Mealhada | 954.72 mi (1,536.47 km) |
| Mendrisio to Melgaco | 893.70 mi (1,438.28 km) |
| Mendrisio to Melres | 930.30 mi (1,497.17 km) |
| Mendrisio to Mira | 966.09 mi (1,554.77 km) |
| Mendrisio to Miranda do Corvo | 959.06 mi (1,543.47 km) |
| Mendrisio to Mirandela | 860.77 mi (1,385.28 km) |
| Mendrisio to Mogadouro | 843.90 mi (1,358.13 km) |
| Mendrisio to Moimenta da Beira | 896.57 mi (1,442.89 km) |
| Mendrisio to Moita | 1,041.98 mi (1,676.91 km) |
| Mendrisio to Moncao | 904.95 mi (1,456.37 km) |
