| Houilles to Marco de Canavezes | 734.15 mi (1,181.49 km) |
| Houilles to Marinha Grande | 837.32 mi (1,347.54 km) |
| Houilles to Massama | 903.50 mi (1,454.05 km) |
| Houilles to Matosinhos | 752.69 mi (1,211.33 km) |
| Houilles to Mealhada | 787.05 mi (1,266.64 km) |
| Houilles to Melgaco | 689.90 mi (1,110.28 km) |
| Houilles to Melres | 748.67 mi (1,204.87 km) |
| Houilles to Mira | 793.58 mi (1,277.14 km) |
| Houilles to Miranda do Corvo | 798.89 mi (1,285.68 km) |
| Houilles to Mirandela | 686.29 mi (1,104.48 km) |
| Houilles to Mogadouro | 679.98 mi (1,094.33 km) |
| Houilles to Moimenta da Beira | 727.63 mi (1,171.01 km) |
| Houilles to Moita | 900.59 mi (1,449.36 km) |
| Houilles to Moncao | 699.61 mi (1,125.92 km) |
| Houilles to Montalegre | 688.48 mi (1,108.00 km) |
