| Isaszeg to Marco de Canavezes | 1,421.22 mi (2,287.23 km) |
| Isaszeg to Marinha Grande | 1,505.01 mi (2,422.07 km) |
| Isaszeg to Massama | 1,556.25 mi (2,504.54 km) |
| Isaszeg to Matosinhos | 1,446.65 mi (2,328.16 km) |
| Isaszeg to Mealhada | 1,461.14 mi (2,351.48 km) |
| Isaszeg to Melgaco | 1,398.21 mi (2,250.20 km) |
| Isaszeg to Melres | 1,436.48 mi (2,311.78 km) |
| Isaszeg to Mira | 1,472.51 mi (2,369.78 km) |
| Isaszeg to Miranda do Corvo | 1,465.38 mi (2,358.31 km) |
| Isaszeg to Mirandela | 1,366.99 mi (2,199.95 km) |
| Isaszeg to Mogadouro | 1,350.31 mi (2,173.11 km) |
| Isaszeg to Moimenta da Beira | 1,402.97 mi (2,257.87 km) |
| Isaszeg to Moita | 1,546.94 mi (2,489.55 km) |
| Isaszeg to Moncao | 1,409.39 mi (2,268.19 km) |
| Isaszeg to Montalegre | 1,384.87 mi (2,228.74 km) |
