| Napa to Mangualde | 5,598.78 mi (9,010.37 km) |
| Napa to Marco de Canavezes | 5,556.49 mi (8,942.30 km) |
| Napa to Marinha Grande | 5,594.43 mi (9,003.36 km) |
| Napa to Massama | 5,628.00 mi (9,057.38 km) |
| Napa to Matosinhos | 5,535.66 mi (8,908.79 km) |
| Napa to Mealhada | 5,583.05 mi (8,985.06 km) |
| Napa to Melgaco | 5,507.85 mi (8,864.02 km) |
| Napa to Melres | 5,552.56 mi (8,935.98 km) |
| Napa to Mira | 5,569.83 mi (8,963.78 km) |
| Napa to Miranda do Corvo | 5,600.98 mi (9,013.90 km) |
| Napa to Mirandela | 5,578.40 mi (8,977.57 km) |
| Napa to Mogadouro | 5,603.01 mi (9,017.18 km) |
| Napa to Moimenta da Beira | 5,586.42 mi (8,990.47 km) |
| Napa to Moita | 5,644.51 mi (9,083.96 km) |
| Napa to Moncao | 5,501.92 mi (8,854.49 km) |
