| Troon to Mangualde | 1,041.58 mi (1,676.26 km) |
| Troon to Marco de Canavezes | 1,004.48 mi (1,616.56 km) |
| Troon to Marinha Grande | 1,108.44 mi (1,783.86 km) |
| Troon to Massama | 1,179.06 mi (1,897.51 km) |
| Troon to Matosinhos | 1,008.71 mi (1,623.36 km) |
| Troon to Mealhada | 1,061.40 mi (1,708.17 km) |
| Troon to Melgaco | 941.53 mi (1,515.25 km) |
| Troon to Melres | 1,014.30 mi (1,632.36 km) |
| Troon to Mira | 1,060.17 mi (1,706.18 km) |
| Troon to Miranda do Corvo | 1,079.94 mi (1,738.00 km) |
| Troon to Mirandela | 977.75 mi (1,573.54 km) |
| Troon to Mogadouro | 985.99 mi (1,586.80 km) |
| Troon to Moimenta da Beira | 1,014.92 mi (1,633.35 km) |
| Troon to Moita | 1,184.00 mi (1,905.46 km) |
| Troon to Moncao | 946.19 mi (1,522.75 km) |
