| Piacenza to Marco de Canavezes | 936.85 mi (1,507.71 km) |
| Piacenza to Marinha Grande | 1,015.90 mi (1,634.94 km) |
| Piacenza to Massama | 1,064.90 mi (1,713.79 km) |
| Piacenza to Matosinhos | 963.29 mi (1,550.27 km) |
| Piacenza to Mealhada | 973.62 mi (1,566.89 km) |
| Piacenza to Melgaco | 919.70 mi (1,480.12 km) |
| Piacenza to Melres | 951.96 mi (1,532.03 km) |
| Piacenza to Mira | 985.64 mi (1,586.24 km) |
| Piacenza to Miranda do Corvo | 976.62 mi (1,571.72 km) |
| Piacenza to Mirandela | 882.45 mi (1,420.17 km) |
| Piacenza to Mogadouro | 864.15 mi (1,390.71 km) |
| Piacenza to Moimenta da Beira | 916.66 mi (1,475.22 km) |
| Piacenza to Moita | 1,055.10 mi (1,698.01 km) |
| Piacenza to Moncao | 931.02 mi (1,498.34 km) |
| Piacenza to Montalegre | 903.47 mi (1,454.00 km) |
