| Neckargemund to Marco de Canavezes | 996.63 mi (1,603.92 km) |
| Neckargemund to Marinha Grande | 1,093.42 mi (1,759.69 km) |
| Neckargemund to Massama | 1,154.49 mi (1,857.97 km) |
| Neckargemund to Matosinhos | 1,018.52 mi (1,639.15 km) |
| Neckargemund to Mealhada | 1,044.93 mi (1,681.65 km) |
| Neckargemund to Melgaco | 960.82 mi (1,546.29 km) |
| Neckargemund to Melres | 1,011.76 mi (1,628.27 km) |
| Neckargemund to Mira | 1,053.68 mi (1,695.74 km) |
| Neckargemund to Miranda do Corvo | 1,053.70 mi (1,695.76 km) |
| Neckargemund to Mirandela | 944.89 mi (1,520.66 km) |
| Neckargemund to Mogadouro | 933.71 mi (1,502.67 km) |
| Neckargemund to Moimenta da Beira | 984.79 mi (1,584.87 km) |
| Neckargemund to Moita | 1,148.79 mi (1,848.80 km) |
| Neckargemund to Moncao | 971.34 mi (1,563.21 km) |
| Neckargemund to Montalegre | 954.15 mi (1,535.55 km) |
