| Idil to Mangualde | 2,641.41 mi (4,250.94 km) |
| Idil to Marco de Canavezes | 2,653.39 mi (4,270.21 km) |
| Idil to Marinha Grande | 2,714.59 mi (4,368.71 km) |
| Idil to Massama | 2,748.82 mi (4,423.81 km) |
| Idil to Matosinhos | 2,681.43 mi (4,315.35 km) |
| Idil to Mealhada | 2,679.99 mi (4,313.03 km) |
| Idil to Melgaco | 2,647.43 mi (4,260.62 km) |
| Idil to Melres | 2,667.73 mi (4,293.29 km) |
| Idil to Mira | 2,693.81 mi (4,335.28 km) |
| Idil to Miranda do Corvo | 2,678.19 mi (4,310.14 km) |
| Idil to Mirandela | 2,600.14 mi (4,184.53 km) |
| Idil to Mogadouro | 2,578.31 mi (4,149.40 km) |
| Idil to Moimenta da Beira | 2,628.70 mi (4,230.49 km) |
| Idil to Moita | 2,735.47 mi (4,402.31 km) |
| Idil to Moncao | 2,658.72 mi (4,278.80 km) |
