| Nieuwkoop to Marco de Canavezes | 972.94 mi (1,565.79 km) |
| Nieuwkoop to Marinha Grande | 1,078.26 mi (1,735.28 km) |
| Nieuwkoop to Massama | 1,146.12 mi (1,844.51 km) |
| Nieuwkoop to Matosinhos | 989.25 mi (1,592.05 km) |
| Nieuwkoop to Mealhada | 1,027.63 mi (1,653.82 km) |
| Nieuwkoop to Melgaco | 923.92 mi (1,486.91 km) |
| Nieuwkoop to Melres | 986.93 mi (1,588.32 km) |
| Nieuwkoop to Mira | 1,032.96 mi (1,662.38 km) |
| Nieuwkoop to Miranda do Corvo | 1,040.78 mi (1,674.97 km) |
| Nieuwkoop to Mirandela | 927.69 mi (1,492.98 km) |
| Nieuwkoop to Mogadouro | 923.60 mi (1,486.39 km) |
| Nieuwkoop to Moimenta da Beira | 969.21 mi (1,559.80 km) |
| Nieuwkoop to Moita | 1,144.33 mi (1,841.62 km) |
| Nieuwkoop to Moncao | 932.88 mi (1,501.33 km) |
| Nieuwkoop to Montalegre | 926.04 mi (1,490.31 km) |
