| Gladbeck to Marco de Canavezes | 1,013.05 mi (1,630.35 km) |
| Gladbeck to Marinha Grande | 1,116.05 mi (1,796.11 km) |
| Gladbeck to Massama | 1,181.86 mi (1,902.02 km) |
| Gladbeck to Matosinhos | 1,031.53 mi (1,660.08 km) |
| Gladbeck to Mealhada | 1,065.84 mi (1,715.31 km) |
| Gladbeck to Melgaco | 968.41 mi (1,558.51 km) |
| Gladbeck to Melres | 1,027.58 mi (1,653.72 km) |
| Gladbeck to Mira | 1,072.46 mi (1,725.96 km) |
| Gladbeck to Miranda do Corvo | 1,077.48 mi (1,734.03 km) |
| Gladbeck to Mirandela | 965.03 mi (1,553.06 km) |
| Gladbeck to Mogadouro | 958.28 mi (1,542.20 km) |
| Gladbeck to Moimenta da Beira | 1,006.32 mi (1,619.52 km) |
| Gladbeck to Moita | 1,178.61 mi (1,896.79 km) |
| Gladbeck to Moncao | 978.01 mi (1,573.96 km) |
| Gladbeck to Montalegre | 967.36 mi (1,556.81 km) |
