| Somma Vesuviana to Marco de Canavezes | 1,174.18 mi (1,889.67 km) |
| Somma Vesuviana to Marinha Grande | 1,230.08 mi (1,979.61 km) |
| Somma Vesuviana to Massama | 1,262.98 mi (2,032.56 km) |
| Somma Vesuviana to Matosinhos | 1,202.60 mi (1,935.39 km) |
| Somma Vesuviana to Mealhada | 1,197.21 mi (1,926.73 km) |
| Somma Vesuviana to Melgaco | 1,174.63 mi (1,890.39 km) |
| Somma Vesuviana to Melres | 1,188.04 mi (1,911.97 km) |
| Somma Vesuviana to Mira | 1,211.39 mi (1,949.54 km) |
| Somma Vesuviana to Miranda do Corvo | 1,194.38 mi (1,922.18 km) |
| Somma Vesuviana to Mirandela | 1,122.11 mi (1,805.87 km) |
| Somma Vesuviana to Mogadouro | 1,099.07 mi (1,768.78 km) |
| Somma Vesuviana to Moimenta da Beira | 1,148.07 mi (1,847.64 km) |
| Somma Vesuviana to Moita | 1,249.58 mi (2,011.00 km) |
| Somma Vesuviana to Moncao | 1,185.73 mi (1,908.25 km) |
| Somma Vesuviana to Montalegre | 1,151.63 mi (1,853.37 km) |
