| Gross-Gerau to Marco de Canavezes | 1,002.32 mi (1,613.07 km) |
| Gross-Gerau to Marinha Grande | 1,100.76 mi (1,771.49 km) |
| Gross-Gerau to Massama | 1,163.03 mi (1,871.71 km) |
| Gross-Gerau to Matosinhos | 1,023.48 mi (1,647.13 km) |
| Gross-Gerau to Mealhada | 1,051.76 mi (1,692.65 km) |
| Gross-Gerau to Melgaco | 964.39 mi (1,552.04 km) |
| Gross-Gerau to Melres | 1,017.35 mi (1,637.26 km) |
| Gross-Gerau to Mira | 1,060.05 mi (1,705.98 km) |
| Gross-Gerau to Miranda do Corvo | 1,061.21 mi (1,707.85 km) |
| Gross-Gerau to Mirandela | 951.29 mi (1,530.96 km) |
| Gross-Gerau to Mogadouro | 941.10 mi (1,514.55 km) |
| Gross-Gerau to Moimenta da Beira | 991.62 mi (1,595.86 km) |
| Gross-Gerau to Moita | 1,157.88 mi (1,863.42 km) |
| Gross-Gerau to Moncao | 974.73 mi (1,568.67 km) |
| Gross-Gerau to Montalegre | 958.99 mi (1,543.34 km) |
