| Bad Nenndorf to Marco de Canavezes | 1,126.87 mi (1,813.52 km) |
| Bad Nenndorf to Marinha Grande | 1,229.24 mi (1,978.27 km) |
| Bad Nenndorf to Massama | 1,294.47 mi (2,083.25 km) |
| Bad Nenndorf to Matosinhos | 1,145.74 mi (1,843.89 km) |
| Bad Nenndorf to Mealhada | 1,179.19 mi (1,897.72 km) |
| Bad Nenndorf to Melgaco | 1,083.05 mi (1,743.00 km) |
| Bad Nenndorf to Melres | 1,141.48 mi (1,837.04 km) |
| Bad Nenndorf to Mira | 1,186.08 mi (1,908.81 km) |
| Bad Nenndorf to Miranda do Corvo | 1,190.46 mi (1,915.85 km) |
| Bad Nenndorf to Mirandela | 1,078.31 mi (1,735.37 km) |
| Bad Nenndorf to Mogadouro | 1,070.94 mi (1,723.51 km) |
| Bad Nenndorf to Moimenta da Beira | 1,119.49 mi (1,801.65 km) |
| Bad Nenndorf to Moita | 1,290.84 mi (2,077.41 km) |
| Bad Nenndorf to Moncao | 1,092.74 mi (1,758.60 km) |
| Bad Nenndorf to Montalegre | 1,081.46 mi (1,740.44 km) |
