| San Sebastiano al Vesuvio to Marco de Canavezes | 1,170.96 mi (1,884.48 km) |
| San Sebastiano al Vesuvio to Marinha Grande | 1,226.61 mi (1,974.04 km) |
| San Sebastiano al Vesuvio to Massama | 1,259.36 mi (2,026.75 km) |
| San Sebastiano al Vesuvio to Matosinhos | 1,199.38 mi (1,930.22 km) |
| San Sebastiano al Vesuvio to Mealhada | 1,193.85 mi (1,921.31 km) |
| San Sebastiano al Vesuvio to Melgaco | 1,171.59 mi (1,885.49 km) |
| San Sebastiano al Vesuvio to Melres | 1,184.80 mi (1,906.75 km) |
| San Sebastiano al Vesuvio to Mira | 1,208.03 mi (1,944.14 km) |
| San Sebastiano al Vesuvio to Miranda do Corvo | 1,190.96 mi (1,916.67 km) |
| San Sebastiano al Vesuvio to Mirandela | 1,118.93 mi (1,800.75 km) |
| San Sebastiano al Vesuvio to Mogadouro | 1,095.85 mi (1,763.60 km) |
| San Sebastiano al Vesuvio to Moimenta da Beira | 1,144.80 mi (1,842.37 km) |
| San Sebastiano al Vesuvio to Moita | 1,245.94 mi (2,005.14 km) |
| San Sebastiano al Vesuvio to Moncao | 1,182.69 mi (1,903.35 km) |
| San Sebastiano al Vesuvio to Montalegre | 1,148.53 mi (1,848.38 km) |
