| Dudelange to Marco de Canavezes | 895.63 mi (1,441.38 km) |
| Dudelange to Marinha Grande | 995.50 mi (1,602.11 km) |
| Dudelange to Massama | 1,058.96 mi (1,704.23 km) |
| Dudelange to Matosinhos | 916.15 mi (1,474.41 km) |
| Dudelange to Mealhada | 946.08 mi (1,522.57 km) |
| Dudelange to Melgaco | 856.06 mi (1,377.69 km) |
| Dudelange to Melres | 910.56 mi (1,465.40 km) |
| Dudelange to Mira | 953.91 mi (1,535.17 km) |
| Dudelange to Miranda do Corvo | 956.19 mi (1,538.83 km) |
| Dudelange to Mirandela | 845.33 mi (1,360.43 km) |
| Dudelange to Mogadouro | 836.14 mi (1,345.63 km) |
| Dudelange to Moimenta da Beira | 886.01 mi (1,425.90 km) |
| Dudelange to Moita | 1,054.43 mi (1,696.95 km) |
| Dudelange to Moncao | 866.25 mi (1,394.10 km) |
| Dudelange to Montalegre | 851.63 mi (1,370.57 km) |
