| Loos to Marco de Canavezes | 842.30 mi (1,355.54 km) |
| Loos to Marinha Grande | 947.19 mi (1,524.36 km) |
| Loos to Massama | 1,014.73 mi (1,633.05 km) |
| Loos to Matosinhos | 859.17 mi (1,382.71 km) |
| Loos to Mealhada | 896.62 mi (1,442.97 km) |
| Loos to Melgaco | 794.44 mi (1,278.52 km) |
| Loos to Melres | 856.43 mi (1,378.29 km) |
| Loos to Mira | 902.22 mi (1,451.98 km) |
| Loos to Miranda do Corvo | 909.49 mi (1,463.68 km) |
| Loos to Mirandela | 796.44 mi (1,281.74 km) |
| Loos to Mogadouro | 791.92 mi (1,274.48 km) |
| Loos to Moimenta da Beira | 837.95 mi (1,348.55 km) |
| Loos to Moita | 1,012.71 mi (1,629.81 km) |
| Loos to Moncao | 803.61 mi (1,293.29 km) |
| Loos to Montalegre | 795.65 mi (1,280.47 km) |
