| Cerkno to Mangualde | 1,152.95 mi (1,855.50 km) |
| Cerkno to Marco de Canavezes | 1,153.98 mi (1,857.15 km) |
| Cerkno to Marinha Grande | 1,235.09 mi (1,987.69 km) |
| Cerkno to Massama | 1,284.92 mi (2,067.88 km) |
| Cerkno to Matosinhos | 1,180.00 mi (1,899.02 km) |
| Cerkno to Mealhada | 1,192.15 mi (1,918.58 km) |
| Cerkno to Melgaco | 1,134.12 mi (1,825.19 km) |
| Cerkno to Melres | 1,169.17 mi (1,881.60 km) |
| Cerkno to Mira | 1,203.90 mi (1,937.49 km) |
| Cerkno to Miranda do Corvo | 1,195.66 mi (1,924.23 km) |
| Cerkno to Mirandela | 1,099.61 mi (1,769.65 km) |
| Cerkno to Mogadouro | 1,082.02 mi (1,741.34 km) |
| Cerkno to Moimenta da Beira | 1,134.64 mi (1,826.02 km) |
| Cerkno to Moita | 1,275.27 mi (2,052.35 km) |
| Cerkno to Moncao | 1,145.39 mi (1,843.32 km) |
