| Kloten to Mangualde | 936.95 mi (1,507.88 km) |
| Kloten to Marco de Canavezes | 931.00 mi (1,498.30 km) |
| Kloten to Marinha Grande | 1,021.79 mi (1,644.41 km) |
| Kloten to Massama | 1,078.71 mi (1,736.02 km) |
| Kloten to Matosinhos | 954.97 mi (1,536.88 km) |
| Kloten to Mealhada | 975.25 mi (1,569.51 km) |
| Kloten to Melgaco | 902.34 mi (1,452.18 km) |
| Kloten to Melres | 946.29 mi (1,522.91 km) |
| Kloten to Mira | 985.39 mi (1,585.83 km) |
| Kloten to Miranda do Corvo | 981.84 mi (1,580.13 km) |
| Kloten to Mirandela | 877.56 mi (1,412.29 km) |
| Kloten to Mogadouro | 863.41 mi (1,389.52 km) |
| Kloten to Moimenta da Beira | 915.69 mi (1,473.66 km) |
| Kloten to Moita | 1,071.39 mi (1,724.24 km) |
| Kloten to Moncao | 913.32 mi (1,469.85 km) |
