| Midleton to Marco de Canavezes | 741.56 mi (1,193.42 km) |
| Midleton to Marinha Grande | 841.37 mi (1,354.05 km) |
| Midleton to Massama | 910.75 mi (1,465.71 km) |
| Midleton to Matosinhos | 741.97 mi (1,194.09 km) |
| Midleton to Mealhada | 796.94 mi (1,282.55 km) |
| Midleton to Melgaco | 677.08 mi (1,089.65 km) |
| Midleton to Melres | 749.69 mi (1,206.51 km) |
| Midleton to Mira | 793.82 mi (1,277.53 km) |
| Midleton to Miranda do Corvo | 816.44 mi (1,313.94 km) |
| Midleton to Mirandela | 722.21 mi (1,162.28 km) |
| Midleton to Mogadouro | 734.42 mi (1,181.94 km) |
| Midleton to Moimenta da Beira | 756.09 mi (1,216.81 km) |
| Midleton to Moita | 917.42 mi (1,476.44 km) |
| Midleton to Moncao | 680.21 mi (1,094.70 km) |
| Midleton to Montalegre | 697.58 mi (1,122.65 km) |
