| Lom to Marco de Canavezes | 1,599.49 mi (2,574.12 km) |
| Lom to Marinha Grande | 1,670.24 mi (2,688.00 km) |
| Lom to Massama | 1,712.19 mi (2,755.51 km) |
| Lom to Matosinhos | 1,626.82 mi (2,618.11 km) |
| Lom to Mealhada | 1,631.50 mi (2,625.64 km) |
| Lom to Melgaco | 1,587.43 mi (2,554.73 km) |
| Lom to Melres | 1,614.30 mi (2,597.97 km) |
| Lom to Mira | 1,644.49 mi (2,646.54 km) |
| Lom to Miranda do Corvo | 1,632.12 mi (2,626.65 km) |
| Lom to Mirandela | 1,545.37 mi (2,487.04 km) |
| Lom to Mogadouro | 1,525.23 mi (2,454.62 km) |
| Lom to Moimenta da Beira | 1,577.00 mi (2,537.93 km) |
| Lom to Moita | 1,700.48 mi (2,736.66 km) |
| Lom to Moncao | 1,598.77 mi (2,572.97 km) |
| Lom to Montalegre | 1,569.25 mi (2,525.46 km) |
