| Tavas to Mangualde | 1,971.89 mi (3,173.46 km) |
| Tavas to Marco de Canavezes | 1,988.21 mi (3,199.72 km) |
| Tavas to Marinha Grande | 2,040.57 mi (3,283.97 km) |
| Tavas to Massama | 2,069.39 mi (3,330.36 km) |
| Tavas to Matosinhos | 2,016.69 mi (3,245.55 km) |
| Tavas to Mealhada | 2,009.56 mi (3,234.08 km) |
| Tavas to Melgaco | 1,989.33 mi (3,201.51 km) |
| Tavas to Melres | 2,001.92 mi (3,221.77 km) |
| Tavas to Mira | 2,023.96 mi (3,257.24 km) |
| Tavas to Miranda do Corvo | 2,005.83 mi (3,228.08 km) |
| Tavas to Mirandela | 1,936.46 mi (3,116.43 km) |
| Tavas to Mogadouro | 1,913.17 mi (3,078.95 km) |
| Tavas to Moimenta da Beira | 1,961.67 mi (3,157.00 km) |
| Tavas to Moita | 2,055.19 mi (3,307.51 km) |
| Tavas to Moncao | 2,000.43 mi (3,219.38 km) |
