| Ifield to Mangualde | 811.59 mi (1,306.13 km) |
| Ifield to Marco de Canavezes | 783.93 mi (1,261.61 km) |
| Ifield to Marinha Grande | 891.02 mi (1,433.96 km) |
| Ifield to Massama | 960.98 mi (1,546.55 km) |
| Ifield to Matosinhos | 796.87 mi (1,282.43 km) |
| Ifield to Mealhada | 840.54 mi (1,352.72 km) |
| Ifield to Melgaco | 729.45 mi (1,173.94 km) |
| Ifield to Melres | 796.93 mi (1,282.53 km) |
| Ifield to Mira | 843.89 mi (1,358.11 km) |
| Ifield to Miranda do Corvo | 855.71 mi (1,377.14 km) |
| Ifield to Mirandela | 743.70 mi (1,196.87 km) |
| Ifield to Mogadouro | 743.84 mi (1,197.10 km) |
| Ifield to Moimenta da Beira | 784.76 mi (1,262.95 km) |
| Ifield to Moita | 961.37 mi (1,547.17 km) |
| Ifield to Moncao | 737.37 mi (1,186.68 km) |
