| Grossbottwar to Marco de Canavezes | 1,004.18 mi (1,616.07 km) |
| Grossbottwar to Marinha Grande | 1,099.38 mi (1,769.28 km) |
| Grossbottwar to Massama | 1,159.28 mi (1,865.69 km) |
| Grossbottwar to Matosinhos | 1,026.69 mi (1,652.29 km) |
| Grossbottwar to Mealhada | 1,051.40 mi (1,692.06 km) |
| Grossbottwar to Melgaco | 970.29 mi (1,561.53 km) |
| Grossbottwar to Melres | 1,019.38 mi (1,640.53 km) |
| Grossbottwar to Mira | 1,060.56 mi (1,706.81 km) |
| Grossbottwar to Miranda do Corvo | 1,059.54 mi (1,705.17 km) |
| Grossbottwar to Mirandela | 951.88 mi (1,531.90 km) |
| Grossbottwar to Mogadouro | 939.83 mi (1,512.51 km) |
| Grossbottwar to Moimenta da Beira | 991.34 mi (1,595.40 km) |
| Grossbottwar to Moita | 1,153.09 mi (1,855.71 km) |
| Grossbottwar to Moncao | 980.94 mi (1,578.68 km) |
| Grossbottwar to Montalegre | 962.51 mi (1,549.01 km) |
