| Horsell to Mangualde | 816.73 mi (1,314.40 km) |
| Horsell to Marco de Canavezes | 788.17 mi (1,268.44 km) |
| Horsell to Marinha Grande | 895.37 mi (1,440.96 km) |
| Horsell to Massama | 965.59 mi (1,553.96 km) |
| Horsell to Matosinhos | 800.44 mi (1,288.18 km) |
| Horsell to Mealhada | 845.01 mi (1,359.92 km) |
| Horsell to Melgaco | 732.76 mi (1,179.26 km) |
| Horsell to Melres | 800.95 mi (1,289.01 km) |
| Horsell to Mira | 847.99 mi (1,364.71 km) |
| Horsell to Miranda do Corvo | 860.52 mi (1,384.87 km) |
| Horsell to Mirandela | 748.93 mi (1,205.29 km) |
| Horsell to Mogadouro | 749.79 mi (1,206.67 km) |
| Horsell to Moimenta da Beira | 789.81 mi (1,271.08 km) |
| Horsell to Moita | 966.34 mi (1,555.18 km) |
| Horsell to Moncao | 740.44 mi (1,191.62 km) |
