| Rinteln to Marco de Canavezes | 1,110.75 mi (1,787.59 km) |
| Rinteln to Marinha Grande | 1,213.11 mi (1,952.32 km) |
| Rinteln to Massama | 1,278.34 mi (2,057.29 km) |
| Rinteln to Matosinhos | 1,129.64 mi (1,817.99 km) |
| Rinteln to Mealhada | 1,163.06 mi (1,871.77 km) |
| Rinteln to Melgaco | 1,066.99 mi (1,717.15 km) |
| Rinteln to Melres | 1,125.37 mi (1,811.11 km) |
| Rinteln to Mira | 1,169.96 mi (1,882.87 km) |
| Rinteln to Miranda do Corvo | 1,174.33 mi (1,889.90 km) |
| Rinteln to Mirandela | 1,062.19 mi (1,709.42 km) |
| Rinteln to Mogadouro | 1,054.81 mi (1,697.55 km) |
| Rinteln to Moimenta da Beira | 1,103.36 mi (1,775.69 km) |
| Rinteln to Moita | 1,274.72 mi (2,051.46 km) |
| Rinteln to Moncao | 1,076.68 mi (1,732.75 km) |
| Rinteln to Montalegre | 1,065.36 mi (1,714.53 km) |
