| Nierstein to Marco de Canavezes | 994.92 mi (1,601.16 km) |
| Nierstein to Marinha Grande | 1,093.38 mi (1,759.62 km) |
| Nierstein to Massama | 1,155.67 mi (1,859.87 km) |
| Nierstein to Matosinhos | 1,016.07 mi (1,635.21 km) |
| Nierstein to Mealhada | 1,044.38 mi (1,680.76 km) |
| Nierstein to Melgaco | 956.98 mi (1,540.11 km) |
| Nierstein to Melres | 1,009.94 mi (1,625.35 km) |
| Nierstein to Mira | 1,052.66 mi (1,694.09 km) |
| Nierstein to Miranda do Corvo | 1,053.83 mi (1,695.98 km) |
| Nierstein to Mirandela | 943.90 mi (1,519.06 km) |
| Nierstein to Mogadouro | 933.72 mi (1,502.68 km) |
| Nierstein to Moimenta da Beira | 984.23 mi (1,583.97 km) |
| Nierstein to Moita | 1,150.54 mi (1,851.61 km) |
| Nierstein to Moncao | 967.31 mi (1,556.74 km) |
| Nierstein to Montalegre | 951.58 mi (1,531.42 km) |
