| Mission Viejo to Mangualde | 5,641.97 mi (9,079.88 km) |
| Mission Viejo to Marco de Canavezes | 5,601.49 mi (9,014.73 km) |
| Mission Viejo to Marinha Grande | 5,628.64 mi (9,058.42 km) |
| Mission Viejo to Massama | 5,655.41 mi (9,101.51 km) |
| Mission Viejo to Matosinhos | 5,578.71 mi (8,978.07 km) |
| Mission Viejo to Mealhada | 5,622.54 mi (9,048.60 km) |
| Mission Viejo to Melgaco | 5,557.63 mi (8,944.14 km) |
| Mission Viejo to Melres | 5,596.03 mi (9,005.93 km) |
| Mission Viejo to Mira | 5,608.58 mi (9,026.14 km) |
| Mission Viejo to Miranda do Corvo | 5,639.31 mi (9,075.59 km) |
| Mission Viejo to Mirandela | 5,628.52 mi (9,058.24 km) |
| Mission Viejo to Mogadouro | 5,653.97 mi (9,099.19 km) |
| Mission Viejo to Moimenta da Beira | 5,632.21 mi (9,064.17 km) |
| Mission Viejo to Moita | 5,672.40 mi (9,128.85 km) |
| Mission Viejo to Moncao | 5,550.72 mi (8,933.02 km) |
