| Konstancin-Jeziorna to Marco de Canavezes | 1,564.46 mi (2,517.75 km) |
| Konstancin-Jeziorna to Marinha Grande | 1,659.49 mi (2,670.69 km) |
| Konstancin-Jeziorna to Massama | 1,718.73 mi (2,766.03 km) |
| Konstancin-Jeziorna to Matosinhos | 1,586.81 mi (2,553.73 km) |
| Konstancin-Jeziorna to Mealhada | 1,611.65 mi (2,593.70 km) |
| Konstancin-Jeziorna to Melgaco | 1,529.70 mi (2,461.81 km) |
| Konstancin-Jeziorna to Melres | 1,579.65 mi (2,542.20 km) |
| Konstancin-Jeziorna to Mira | 1,620.87 mi (2,608.54 km) |
| Konstancin-Jeziorna to Miranda do Corvo | 1,619.62 mi (2,606.52 km) |
| Konstancin-Jeziorna to Mirandela | 1,512.19 mi (2,433.64 km) |
| Konstancin-Jeziorna to Mogadouro | 1,500.02 mi (2,414.05 km) |
| Konstancin-Jeziorna to Moimenta da Beira | 1,551.61 mi (2,497.08 km) |
| Konstancin-Jeziorna to Moita | 1,712.13 mi (2,755.40 km) |
| Konstancin-Jeziorna to Moncao | 1,540.25 mi (2,478.79 km) |
| Konstancin-Jeziorna to Montalegre | 1,522.56 mi (2,450.32 km) |
