| Martano to Marco de Canavezes | 1,382.00 mi (2,224.12 km) |
| Martano to Marinha Grande | 1,436.60 mi (2,311.99 km) |
| Martano to Massama | 1,468.04 mi (2,362.59 km) |
| Martano to Matosinhos | 1,410.44 mi (2,269.89 km) |
| Martano to Mealhada | 1,404.41 mi (2,260.18 km) |
| Martano to Melgaco | 1,382.72 mi (2,225.27 km) |
| Martano to Melres | 1,395.81 mi (2,246.33 km) |
| Martano to Mira | 1,418.67 mi (2,283.13 km) |
| Martano to Miranda do Corvo | 1,401.25 mi (2,255.10 km) |
| Martano to Mirandela | 1,330.05 mi (2,140.51 km) |
| Martano to Mogadouro | 1,306.91 mi (2,103.27 km) |
| Martano to Moimenta da Beira | 1,355.73 mi (2,181.83 km) |
| Martano to Moita | 1,454.35 mi (2,340.55 km) |
| Martano to Moncao | 1,393.82 mi (2,243.14 km) |
| Martano to Montalegre | 1,359.69 mi (2,188.21 km) |
