| Knittelfeld to Marco de Canavezes | 1,206.76 mi (1,942.09 km) |
| Knittelfeld to Marinha Grande | 1,291.55 mi (2,078.55 km) |
| Knittelfeld to Massama | 1,343.81 mi (2,162.65 km) |
| Knittelfeld to Matosinhos | 1,232.06 mi (1,982.80 km) |
| Knittelfeld to Mealhada | 1,247.25 mi (2,007.26 km) |
| Knittelfeld to Melgaco | 1,183.30 mi (1,904.34 km) |
| Knittelfeld to Melres | 1,222.03 mi (1,966.67 km) |
| Knittelfeld to Mira | 1,258.46 mi (2,025.30 km) |
| Knittelfeld to Miranda do Corvo | 1,251.84 mi (2,014.64 km) |
| Knittelfeld to Mirandela | 1,152.58 mi (1,854.90 km) |
| Knittelfeld to Mogadouro | 1,136.19 mi (1,828.52 km) |
| Knittelfeld to Moimenta da Beira | 1,188.85 mi (1,913.27 km) |
| Knittelfeld to Moita | 1,334.85 mi (2,148.24 km) |
| Knittelfeld to Moncao | 1,194.47 mi (1,922.31 km) |
| Knittelfeld to Montalegre | 1,170.12 mi (1,883.13 km) |
