| Itri to Marco de Canavezes | 1,123.75 mi (1,808.50 km) |
| Itri to Marinha Grande | 1,181.51 mi (1,901.45 km) |
| Itri to Massama | 1,215.81 mi (1,956.66 km) |
| Itri to Matosinhos | 1,152.10 mi (1,854.12 km) |
| Itri to Mealhada | 1,147.83 mi (1,847.26 km) |
| Itri to Melgaco | 1,123.03 mi (1,807.34 km) |
| Itri to Melres | 1,137.73 mi (1,831.00 km) |
| Itri to Mira | 1,161.89 mi (1,869.87 km) |
| Itri to Miranda do Corvo | 1,145.44 mi (1,843.40 km) |
| Itri to Mirandela | 1,071.38 mi (1,724.23 km) |
| Itri to Mogadouro | 1,048.60 mi (1,687.55 km) |
| Itri to Moimenta da Beira | 1,097.98 mi (1,767.04 km) |
| Itri to Moita | 1,202.68 mi (1,935.52 km) |
| Itri to Moncao | 1,134.17 mi (1,825.27 km) |
| Itri to Montalegre | 1,100.41 mi (1,770.95 km) |
