| Fiumicino to Marco de Canavezes | 1,053.50 mi (1,695.44 km) |
| Fiumicino to Marinha Grande | 1,113.64 mi (1,792.23 km) |
| Fiumicino to Massama | 1,149.77 mi (1,850.37 km) |
| Fiumicino to Matosinhos | 1,081.74 mi (1,740.90 km) |
| Fiumicino to Mealhada | 1,078.92 mi (1,736.36 km) |
| Fiumicino to Melgaco | 1,051.31 mi (1,691.92 km) |
| Fiumicino to Melres | 1,067.63 mi (1,718.18 km) |
| Fiumicino to Mira | 1,092.81 mi (1,758.71 km) |
| Fiumicino to Miranda do Corvo | 1,077.10 mi (1,733.42 km) |
| Fiumicino to Mirandela | 1,000.78 mi (1,610.60 km) |
| Fiumicino to Mogadouro | 978.34 mi (1,574.48 km) |
| Fiumicino to Moimenta da Beira | 1,028.19 mi (1,654.72 km) |
| Fiumicino to Moita | 1,136.99 mi (1,829.81 km) |
| Fiumicino to Moncao | 1,062.49 mi (1,709.91 km) |
| Fiumicino to Montalegre | 1,029.18 mi (1,656.30 km) |
