| Nantes to Marco de Canavezes | 529.35 mi (851.90 km) |
| Nantes to Marinha Grande | 634.30 mi (1,020.81 km) |
| Nantes to Massama | 702.14 mi (1,129.98 km) |
| Nantes to Matosinhos | 546.50 mi (879.51 km) |
| Nantes to Mealhada | 583.71 mi (939.39 km) |
| Nantes to Melgaco | 482.43 mi (776.39 km) |
| Nantes to Melres | 543.52 mi (874.71 km) |
| Nantes to Mira | 589.26 mi (948.32 km) |
| Nantes to Miranda do Corvo | 596.77 mi (960.41 km) |
| Nantes to Mirandela | 483.69 mi (778.42 km) |
| Nantes to Mogadouro | 479.94 mi (772.38 km) |
| Nantes to Moimenta da Beira | 525.21 mi (845.24 km) |
| Nantes to Moita | 700.50 mi (1,127.35 km) |
| Nantes to Moncao | 491.87 mi (791.60 km) |
| Nantes to Montalegre | 482.80 mi (776.99 km) |
