| Debica to Marco de Canavezes | 1,541.72 mi (2,481.15 km) |
| Debica to Marinha Grande | 1,631.94 mi (2,626.35 km) |
| Debica to Massama | 1,687.64 mi (2,715.99 km) |
| Debica to Matosinhos | 1,565.61 mi (2,519.61 km) |
| Debica to Mealhada | 1,585.75 mi (2,552.02 km) |
| Debica to Melgaco | 1,512.20 mi (2,433.64 km) |
| Debica to Melres | 1,557.01 mi (2,505.77 km) |
| Debica to Mira | 1,596.02 mi (2,568.54 km) |
| Debica to Miranda do Corvo | 1,592.01 mi (2,562.09 km) |
| Debica to Mirandela | 1,488.27 mi (2,395.14 km) |
| Debica to Mogadouro | 1,473.94 mi (2,372.08 km) |
| Debica to Moimenta da Beira | 1,526.30 mi (2,456.34 km) |
| Debica to Moita | 1,679.72 mi (2,703.25 km) |
| Debica to Moncao | 1,523.09 mi (2,451.17 km) |
| Debica to Montalegre | 1,502.17 mi (2,417.51 km) |
