| Arlon to Marco de Canavezes | 893.81 mi (1,438.44 km) |
| Arlon to Marinha Grande | 994.42 mi (1,600.36 km) |
| Arlon to Massama | 1,058.44 mi (1,703.39 km) |
| Arlon to Matosinhos | 913.92 mi (1,470.81 km) |
| Arlon to Mealhada | 944.79 mi (1,520.50 km) |
| Arlon to Melgaco | 853.17 mi (1,373.04 km) |
| Arlon to Melres | 908.66 mi (1,462.34 km) |
| Arlon to Mira | 952.36 mi (1,532.68 km) |
| Arlon to Miranda do Corvo | 955.24 mi (1,537.31 km) |
| Arlon to Mirandela | 843.95 mi (1,358.21 km) |
| Arlon to Mogadouro | 835.30 mi (1,344.28 km) |
| Arlon to Moimenta da Beira | 884.80 mi (1,423.95 km) |
| Arlon to Moita | 1,054.21 mi (1,696.58 km) |
| Arlon to Moncao | 863.26 mi (1,389.27 km) |
| Arlon to Montalegre | 849.42 mi (1,367.00 km) |
