| Lyss to Mangualde | 871.22 mi (1,402.09 km) |
| Lyss to Marco de Canavezes | 865.28 mi (1,392.54 km) |
| Lyss to Marinha Grande | 956.07 mi (1,538.65 km) |
| Lyss to Massama | 1,013.14 mi (1,630.49 km) |
| Lyss to Matosinhos | 889.30 mi (1,431.19 km) |
| Lyss to Mealhada | 909.51 mi (1,463.71 km) |
| Lyss to Melgaco | 836.91 mi (1,346.87 km) |
| Lyss to Melres | 880.58 mi (1,417.16 km) |
| Lyss to Mira | 919.64 mi (1,480.02 km) |
| Lyss to Miranda do Corvo | 916.13 mi (1,474.36 km) |
| Lyss to Mirandela | 811.82 mi (1,306.50 km) |
| Lyss to Mogadouro | 797.66 mi (1,283.71 km) |
| Lyss to Moimenta da Beira | 849.95 mi (1,367.85 km) |
| Lyss to Moita | 1,005.90 mi (1,618.84 km) |
| Lyss to Moncao | 847.91 mi (1,364.57 km) |
