| Sommerda to Marco de Canavezes | 1,145.34 mi (1,843.25 km) |
| Sommerda to Marinha Grande | 1,244.30 mi (2,002.50 km) |
| Sommerda to Massama | 1,306.82 mi (2,103.12 km) |
| Sommerda to Matosinhos | 1,166.19 mi (1,876.80 km) |
| Sommerda to Mealhada | 1,195.17 mi (1,923.45 km) |
| Sommerda to Melgaco | 1,106.42 mi (1,780.61 km) |
| Sommerda to Melres | 1,160.33 mi (1,867.36 km) |
| Sommerda to Mira | 1,203.30 mi (1,936.53 km) |
| Sommerda to Miranda do Corvo | 1,204.80 mi (1,938.94 km) |
| Sommerda to Mirandela | 1,094.60 mi (1,761.58 km) |
| Sommerda to Mogadouro | 1,084.69 mi (1,745.64 km) |
| Sommerda to Moimenta da Beira | 1,135.04 mi (1,826.68 km) |
| Sommerda to Moita | 1,301.75 mi (2,094.96 km) |
| Sommerda to Moncao | 1,116.64 mi (1,797.06 km) |
| Sommerda to Montalegre | 1,101.67 mi (1,772.96 km) |
