| Thuin to Marco de Canavezes | 868.91 mi (1,398.37 km) |
| Thuin to Marinha Grande | 972.30 mi (1,564.76 km) |
| Thuin to Massama | 1,038.53 mi (1,671.36 km) |
| Thuin to Matosinhos | 887.16 mi (1,427.75 km) |
| Thuin to Mealhada | 922.00 mi (1,483.81 km) |
| Thuin to Melgaco | 823.89 mi (1,325.92 km) |
| Thuin to Melres | 883.38 mi (1,421.65 km) |
| Thuin to Mira | 928.42 mi (1,494.16 km) |
| Thuin to Miranda do Corvo | 933.90 mi (1,502.97 km) |
| Thuin to Mirandela | 821.26 mi (1,321.69 km) |
| Thuin to Mogadouro | 815.01 mi (1,311.64 km) |
| Thuin to Moimenta da Beira | 862.62 mi (1,388.26 km) |
| Thuin to Moita | 1,035.60 mi (1,666.64 km) |
| Thuin to Moncao | 833.47 mi (1,341.33 km) |
| Thuin to Montalegre | 823.06 mi (1,324.58 km) |
