| s-Gravendeel to Marco de Canavezes | 948.65 mi (1,526.71 km) |
| s-Gravendeel to Marinha Grande | 1,053.67 mi (1,695.71 km) |
| s-Gravendeel to Massama | 1,121.26 mi (1,804.50 km) |
| s-Gravendeel to Matosinhos | 965.33 mi (1,553.55 km) |
| s-Gravendeel to Mealhada | 1,003.08 mi (1,614.31 km) |
| s-Gravendeel to Melgaco | 900.34 mi (1,448.95 km) |
| s-Gravendeel to Melres | 962.74 mi (1,549.38 km) |
| s-Gravendeel to Mira | 1,008.61 mi (1,623.20 km) |
| s-Gravendeel to Miranda do Corvo | 1,016.01 mi (1,635.10 km) |
| s-Gravendeel to Mirandela | 902.95 mi (1,453.15 km) |
| s-Gravendeel to Mogadouro | 898.47 mi (1,445.95 km) |
| s-Gravendeel to Moimenta da Beira | 944.46 mi (1,519.96 km) |
| s-Gravendeel to Moita | 1,119.26 mi (1,801.28 km) |
| s-Gravendeel to Moncao | 909.42 mi (1,463.56 km) |
| s-Gravendeel to Montalegre | 901.92 mi (1,451.49 km) |
