| Monrovia to Montalegre | 5,575.99 mi (8,973.69 km) |
| Monrovia to Montemor-o-Novo | 5,693.88 mi (9,163.41 km) |
| Monrovia to Montemor-o-Velho | 5,609.71 mi (9,027.96 km) |
| Monrovia to Montijo | 5,663.43 mi (9,114.40 km) |
| Monrovia to Mortagua | 5,617.10 mi (9,039.85 km) |
| Monrovia to Moura | 5,748.59 mi (9,251.47 km) |
| Monrovia to Murtosa | 5,587.81 mi (8,992.71 km) |
| Monrovia to Nazare | 5,617.59 mi (9,040.63 km) |
| Monrovia to Nelas | 5,629.39 mi (9,059.63 km) |
| Monrovia to Obidos | 5,623.95 mi (9,050.87 km) |
| Monrovia to Odemira | 5,721.62 mi (9,208.06 km) |
| Monrovia to Odivelas | 5,646.98 mi (9,087.94 km) |
| Monrovia to Oeiras | 5,645.65 mi (9,085.80 km) |
| Monrovia to Olhao | 5,779.66 mi (9,301.46 km) |
| Monrovia to Oliveira de Azemeis | 5,589.84 mi (8,995.97 km) |
