| Sulingen to Marco de Canavezes | 1,121.27 mi (1,804.51 km) |
| Sulingen to Marinha Grande | 1,224.51 mi (1,970.67 km) |
| Sulingen to Massama | 1,290.47 mi (2,076.81 km) |
| Sulingen to Matosinhos | 1,139.51 mi (1,833.86 km) |
| Sulingen to Mealhada | 1,174.26 mi (1,889.79 km) |
| Sulingen to Melgaco | 1,076.04 mi (1,731.72 km) |
| Sulingen to Melres | 1,135.75 mi (1,827.81 km) |
| Sulingen to Mira | 1,180.77 mi (1,900.26 km) |
| Sulingen to Miranda do Corvo | 1,186.01 mi (1,908.70 km) |
| Sulingen to Mirandela | 1,073.48 mi (1,727.60 km) |
| Sulingen to Mogadouro | 1,066.90 mi (1,717.01 km) |
| Sulingen to Moimenta da Beira | 1,114.81 mi (1,794.11 km) |
| Sulingen to Moita | 1,287.29 mi (2,071.69 km) |
| Sulingen to Moncao | 1,085.55 mi (1,747.02 km) |
| Sulingen to Montalegre | 1,075.42 mi (1,730.72 km) |
