| Asten to Marco de Canavezes | 965.69 mi (1,554.13 km) |
| Asten to Marinha Grande | 1,069.41 mi (1,721.04 km) |
| Asten to Massama | 1,135.85 mi (1,827.97 km) |
| Asten to Matosinhos | 983.62 mi (1,582.98 km) |
| Asten to Mealhada | 1,019.05 mi (1,639.99 km) |
| Asten to Melgaco | 919.89 mi (1,480.42 km) |
| Asten to Melres | 980.09 mi (1,577.30 km) |
| Asten to Mira | 1,025.32 mi (1,650.09 km) |
| Asten to Miranda do Corvo | 1,031.11 mi (1,659.41 km) |
| Asten to Mirandela | 918.38 mi (1,477.98 km) |
| Asten to Mogadouro | 912.37 mi (1,468.32 km) |
| Asten to Moimenta da Beira | 959.77 mi (1,544.61 km) |
| Asten to Moita | 1,133.02 mi (1,823.41 km) |
| Asten to Moncao | 929.34 mi (1,495.64 km) |
| Asten to Montalegre | 919.64 mi (1,480.02 km) |
