| Somerton to Mangualde | 5,564.97 mi (8,955.95 km) |
| Somerton to Marco de Canavezes | 5,525.36 mi (8,892.20 km) |
| Somerton to Marinha Grande | 5,548.04 mi (8,928.70 km) |
| Somerton to Massama | 5,572.00 mi (8,967.28 km) |
| Somerton to Matosinhos | 5,501.86 mi (8,854.38 km) |
| Somerton to Mealhada | 5,544.09 mi (8,922.35 km) |
| Somerton to Melgaco | 5,483.60 mi (8,825.00 km) |
| Somerton to Melres | 5,519.28 mi (8,882.42 km) |
| Somerton to Mira | 5,529.87 mi (8,899.47 km) |
| Somerton to Miranda do Corvo | 5,560.33 mi (8,948.49 km) |
| Somerton to Mirandela | 5,554.40 mi (8,938.95 km) |
| Somerton to Mogadouro | 5,580.11 mi (8,980.32 km) |
| Somerton to Moimenta da Beira | 5,556.30 mi (8,942.00 km) |
| Somerton to Moita | 5,589.13 mi (8,994.83 km) |
| Somerton to Moncao | 5,476.31 mi (8,813.26 km) |
