| Plonsk to Marco de Canavezes | 1,546.93 mi (2,489.54 km) |
| Plonsk to Marinha Grande | 1,643.39 mi (2,644.78 km) |
| Plonsk to Massama | 1,703.72 mi (2,741.87 km) |
| Plonsk to Matosinhos | 1,568.74 mi (2,524.65 km) |
| Plonsk to Mealhada | 1,595.08 mi (2,567.04 km) |
| Plonsk to Melgaco | 1,510.53 mi (2,430.97 km) |
| Plonsk to Melres | 1,562.06 mi (2,513.89 km) |
| Plonsk to Mira | 1,603.94 mi (2,581.29 km) |
| Plonsk to Miranda do Corvo | 1,603.61 mi (2,580.75 km) |
| Plonsk to Mirandela | 1,495.15 mi (2,406.22 km) |
| Plonsk to Mogadouro | 1,483.72 mi (2,387.82 km) |
| Plonsk to Moimenta da Beira | 1,534.96 mi (2,470.28 km) |
| Plonsk to Moita | 1,697.57 mi (2,731.98 km) |
| Plonsk to Moncao | 1,520.95 mi (2,447.73 km) |
| Plonsk to Montalegre | 1,504.34 mi (2,421.00 km) |
