| Morton to Mangualde | 4,114.44 mi (6,621.55 km) |
| Morton to Marco de Canavezes | 4,077.21 mi (6,561.64 km) |
| Morton to Marinha Grande | 4,089.43 mi (6,581.31 km) |
| Morton to Massama | 4,107.34 mi (6,610.12 km) |
| Morton to Matosinhos | 4,052.15 mi (6,521.30 km) |
| Morton to Mealhada | 4,090.34 mi (6,582.76 km) |
| Morton to Melgaco | 4,041.02 mi (6,503.39 km) |
| Morton to Melres | 4,069.71 mi (6,549.57 km) |
| Morton to Mira | 4,075.64 mi (6,559.11 km) |
| Morton to Miranda do Corvo | 4,105.29 mi (6,606.82 km) |
| Morton to Mirandela | 4,111.00 mi (6,616.02 km) |
| Morton to Mogadouro | 4,137.15 mi (6,658.10 km) |
| Morton to Moimenta da Beira | 4,108.47 mi (6,611.94 km) |
| Morton to Moita | 4,124.65 mi (6,637.98 km) |
| Morton to Moncao | 4,032.81 mi (6,490.19 km) |
