| Aytos to Marco de Canavezes | 1,809.01 mi (2,911.31 km) |
| Aytos to Marinha Grande | 1,876.90 mi (3,020.57 km) |
| Aytos to Massama | 1,916.58 mi (3,084.44 km) |
| Aytos to Matosinhos | 1,836.59 mi (2,955.71 km) |
| Aytos to Mealhada | 1,839.37 mi (2,960.18 km) |
| Aytos to Melgaco | 1,798.88 mi (2,895.02 km) |
| Aytos to Melres | 1,823.69 mi (2,934.94 km) |
| Aytos to Mira | 1,852.63 mi (2,981.52 km) |
| Aytos to Miranda do Corvo | 1,839.24 mi (2,959.98 km) |
| Aytos to Mirandela | 1,755.11 mi (2,824.57 km) |
| Aytos to Mogadouro | 1,734.40 mi (2,791.24 km) |
| Aytos to Moimenta da Beira | 1,785.80 mi (2,873.96 km) |
| Aytos to Moita | 1,904.35 mi (3,064.76 km) |
| Aytos to Moncao | 1,810.22 mi (2,913.26 km) |
| Aytos to Montalegre | 1,779.95 mi (2,864.56 km) |
