| Maria Enzersdorf to Marco de Canavezes | 1,285.86 mi (2,069.40 km) |
| Maria Enzersdorf to Marinha Grande | 1,372.85 mi (2,209.39 km) |
| Maria Enzersdorf to Massama | 1,426.53 mi (2,295.78 km) |
| Maria Enzersdorf to Matosinhos | 1,310.65 mi (2,109.29 km) |
| Maria Enzersdorf to Mealhada | 1,327.77 mi (2,136.85 km) |
| Maria Enzersdorf to Melgaco | 1,260.07 mi (2,027.88 km) |
| Maria Enzersdorf to Melres | 1,301.16 mi (2,094.02 km) |
| Maria Enzersdorf to Mira | 1,338.63 mi (2,154.31 km) |
| Maria Enzersdorf to Miranda do Corvo | 1,333.02 mi (2,145.30 km) |
| Maria Enzersdorf to Mirandela | 1,231.91 mi (1,982.57 km) |
| Maria Enzersdorf to Mogadouro | 1,216.31 mi (1,957.46 km) |
| Maria Enzersdorf to Moimenta da Beira | 1,268.90 mi (2,042.11 km) |
| Maria Enzersdorf to Moita | 1,417.99 mi (2,282.04 km) |
| Maria Enzersdorf to Moncao | 1,271.15 mi (2,045.72 km) |
| Maria Enzersdorf to Montalegre | 1,248.06 mi (2,008.57 km) |
