| Mountain Top to Montalegre | 3,428.19 mi (5,517.15 km) |
| Mountain Top to Montemor-o-Novo | 3,498.98 mi (5,631.06 km) |
| Mountain Top to Montemor-o-Velho | 3,432.06 mi (5,523.37 km) |
| Mountain Top to Montijo | 3,464.73 mi (5,575.95 km) |
| Mountain Top to Mortagua | 3,446.07 mi (5,545.91 km) |
| Mountain Top to Moura | 3,551.95 mi (5,716.31 km) |
| Mountain Top to Murtosa | 3,418.44 mi (5,501.45 km) |
| Mountain Top to Nazare | 3,429.82 mi (5,519.76 km) |
| Mountain Top to Nelas | 3,462.04 mi (5,571.62 km) |
| Mountain Top to Obidos | 3,432.41 mi (5,523.92 km) |
| Mountain Top to Odemira | 3,510.95 mi (5,650.33 km) |
| Mountain Top to Odivelas | 3,447.94 mi (5,548.93 km) |
| Mountain Top to Oeiras | 3,444.42 mi (5,543.26 km) |
| Mountain Top to Olhao | 3,567.14 mi (5,740.76 km) |
| Mountain Top to Oliveira de Azemeis | 3,423.02 mi (5,508.81 km) |
