| Langgons to Marco de Canavezes | 1,030.10 mi (1,657.79 km) |
| Langgons to Marinha Grande | 1,129.70 mi (1,818.07 km) |
| Langgons to Massama | 1,192.81 mi (1,919.64 km) |
| Langgons to Matosinhos | 1,050.68 mi (1,690.91 km) |
| Langgons to Mealhada | 1,080.37 mi (1,738.69 km) |
| Langgons to Melgaco | 990.56 mi (1,594.15 km) |
| Langgons to Melres | 1,045.04 mi (1,681.83 km) |
| Langgons to Mira | 1,088.30 mi (1,751.44 km) |
| Langgons to Miranda do Corvo | 1,090.31 mi (1,754.69 km) |
| Langgons to Mirandela | 979.67 mi (1,576.63 km) |
| Langgons to Mogadouro | 970.23 mi (1,561.43 km) |
| Langgons to Moimenta da Beira | 1,020.28 mi (1,641.98 km) |
| Langgons to Moita | 1,188.06 mi (1,912.00 km) |
| Langgons to Moncao | 1,000.73 mi (1,610.53 km) |
| Langgons to Montalegre | 986.16 mi (1,587.07 km) |
