| San Giovanni Rotondo to Marco de Canavezes | 1,233.57 mi (1,985.23 km) |
| San Giovanni Rotondo to Marinha Grande | 1,294.14 mi (2,082.72 km) |
| San Giovanni Rotondo to Massama | 1,329.97 mi (2,140.38 km) |
| San Giovanni Rotondo to Matosinhos | 1,261.76 mi (2,030.61 km) |
| San Giovanni Rotondo to Mealhada | 1,259.38 mi (2,026.77 km) |
| San Giovanni Rotondo to Melgaco | 1,230.35 mi (1,980.06 km) |
| San Giovanni Rotondo to Melres | 1,247.76 mi (2,008.08 km) |
| San Giovanni Rotondo to Mira | 1,273.24 mi (2,049.08 km) |
| San Giovanni Rotondo to Miranda do Corvo | 1,257.60 mi (2,023.91 km) |
| San Giovanni Rotondo to Mirandela | 1,180.69 mi (1,900.13 km) |
| San Giovanni Rotondo to Mogadouro | 1,158.42 mi (1,864.30 km) |
| San Giovanni Rotondo to Moimenta da Beira | 1,208.45 mi (1,944.81 km) |
| San Giovanni Rotondo to Moita | 1,317.08 mi (2,119.64 km) |
| San Giovanni Rotondo to Moncao | 1,241.57 mi (1,998.11 km) |
| San Giovanni Rotondo to Montalegre | 1,208.66 mi (1,945.15 km) |
