| Nagykallo to Marco de Canavezes | 1,537.23 mi (2,473.93 km) |
| Nagykallo to Marinha Grande | 1,621.35 mi (2,609.31 km) |
| Nagykallo to Massama | 1,672.69 mi (2,691.93 km) |
| Nagykallo to Matosinhos | 1,562.57 mi (2,514.72 km) |
| Nagykallo to Mealhada | 1,577.39 mi (2,538.57 km) |
| Nagykallo to Melgaco | 1,513.70 mi (2,436.07 km) |
| Nagykallo to Melres | 1,552.50 mi (2,498.50 km) |
| Nagykallo to Mira | 1,588.71 mi (2,556.79 km) |
| Nagykallo to Miranda do Corvo | 1,581.71 mi (2,545.52 km) |
| Nagykallo to Mirandela | 1,483.03 mi (2,386.71 km) |
| Nagykallo to Mogadouro | 1,466.48 mi (2,360.07 km) |
| Nagykallo to Moimenta da Beira | 1,519.15 mi (2,444.83 km) |
| Nagykallo to Moita | 1,663.38 mi (2,676.95 km) |
| Nagykallo to Moncao | 1,524.86 mi (2,454.02 km) |
| Nagykallo to Montalegre | 1,500.64 mi (2,415.05 km) |
