| Plombieres to Marco de Canavezes | 942.55 mi (1,516.88 km) |
| Plombieres to Marinha Grande | 1,045.06 mi (1,681.87 km) |
| Plombieres to Massama | 1,110.53 mi (1,787.23 km) |
| Plombieres to Matosinhos | 961.42 mi (1,547.25 km) |
| Plombieres to Mealhada | 994.96 mi (1,601.24 km) |
| Plombieres to Melgaco | 898.84 mi (1,446.55 km) |
| Plombieres to Melres | 957.15 mi (1,540.39 km) |
| Plombieres to Mira | 1,001.79 mi (1,612.23 km) |
| Plombieres to Miranda do Corvo | 1,006.35 mi (1,619.57 km) |
| Plombieres to Mirandela | 894.10 mi (1,438.91 km) |
| Plombieres to Mogadouro | 886.96 mi (1,427.43 km) |
| Plombieres to Moimenta da Beira | 935.32 mi (1,505.25 km) |
| Plombieres to Moita | 1,107.10 mi (1,781.70 km) |
| Plombieres to Moncao | 908.58 mi (1,462.21 km) |
| Plombieres to Montalegre | 897.13 mi (1,443.79 km) |
