| Nitra to Mangualde | 1,373.00 mi (2,209.63 km) |
| Nitra to Marco de Canavezes | 1,370.05 mi (2,204.89 km) |
| Nitra to Marinha Grande | 1,456.80 mi (2,344.49 km) |
| Nitra to Massama | 1,510.19 mi (2,430.42 km) |
| Nitra to Matosinhos | 1,394.87 mi (2,244.83 km) |
| Nitra to Mealhada | 1,411.83 mi (2,272.12 km) |
| Nitra to Melgaco | 1,344.32 mi (2,163.47 km) |
| Nitra to Melres | 1,385.35 mi (2,229.50 km) |
| Nitra to Mira | 1,422.72 mi (2,289.65 km) |
| Nitra to Miranda do Corvo | 1,416.99 mi (2,280.42 km) |
| Nitra to Mirandela | 1,316.08 mi (2,118.03 km) |
| Nitra to Mogadouro | 1,300.40 mi (2,092.80 km) |
| Nitra to Moimenta da Beira | 1,353.01 mi (2,177.46 km) |
| Nitra to Moita | 1,501.54 mi (2,416.50 km) |
| Nitra to Moncao | 1,355.40 mi (2,181.30 km) |
