| Chelmek to Marco de Canavezes | 1,449.30 mi (2,332.43 km) |
| Chelmek to Marinha Grande | 1,540.61 mi (2,479.36 km) |
| Chelmek to Massama | 1,597.18 mi (2,570.41 km) |
| Chelmek to Matosinhos | 1,472.91 mi (2,370.43 km) |
| Chelmek to Mealhada | 1,494.02 mi (2,404.40 km) |
| Chelmek to Melgaco | 1,418.80 mi (2,283.34 km) |
| Chelmek to Melres | 1,464.59 mi (2,357.03 km) |
| Chelmek to Mira | 1,504.07 mi (2,420.57 km) |
| Chelmek to Miranda do Corvo | 1,500.66 mi (2,415.08 km) |
| Chelmek to Mirandela | 1,396.06 mi (2,246.74 km) |
| Chelmek to Mogadouro | 1,382.17 mi (2,224.39 km) |
| Chelmek to Moimenta da Beira | 1,434.40 mi (2,308.45 km) |
| Chelmek to Moita | 1,589.58 mi (2,558.19 km) |
| Chelmek to Moncao | 1,429.64 mi (2,300.78 km) |
| Chelmek to Montalegre | 1,409.28 mi (2,268.01 km) |
