| Monrovia to Mangualde | 5,629.31 mi (9,059.51 km) |
| Monrovia to Marco de Canavezes | 5,588.63 mi (8,994.04 km) |
| Monrovia to Marinha Grande | 5,616.87 mi (9,039.48 km) |
| Monrovia to Massama | 5,644.34 mi (9,083.69 km) |
| Monrovia to Matosinhos | 5,566.04 mi (8,957.67 km) |
| Monrovia to Mealhada | 5,610.24 mi (9,028.81 km) |
| Monrovia to Melgaco | 5,544.28 mi (8,922.65 km) |
| Monrovia to Melres | 5,583.32 mi (8,985.48 km) |
| Monrovia to Mira | 5,596.35 mi (9,006.45 km) |
| Monrovia to Miranda do Corvo | 5,627.13 mi (9,055.99 km) |
| Monrovia to Mirandela | 5,615.17 mi (9,036.75 km) |
| Monrovia to Mogadouro | 5,640.55 mi (9,077.59 km) |
| Monrovia to Moimenta da Beira | 5,619.29 mi (9,043.38 km) |
| Monrovia to Moita | 5,661.29 mi (9,110.96 km) |
| Monrovia to Moncao | 5,537.46 mi (8,911.68 km) |
