| Lake Tapps to Montalegre | 5,092.23 mi (8,195.16 km) |
| Lake Tapps to Montemor-o-Novo | 5,245.94 mi (8,442.52 km) |
| Lake Tapps to Montemor-o-Velho | 5,149.66 mi (8,287.58 km) |
| Lake Tapps to Montijo | 5,220.51 mi (8,401.59 km) |
| Lake Tapps to Mortagua | 5,150.88 mi (8,289.54 km) |
| Lake Tapps to Moura | 5,299.90 mi (8,529.37 km) |
| Lake Tapps to Murtosa | 5,121.50 mi (8,242.26 km) |
| Lake Tapps to Nazare | 5,166.38 mi (8,314.48 km) |
| Lake Tapps to Nelas | 5,159.42 mi (8,303.28 km) |
| Lake Tapps to Obidos | 5,175.97 mi (8,329.92 km) |
| Lake Tapps to Odemira | 5,288.08 mi (8,510.34 km) |
| Lake Tapps to Odivelas | 5,205.13 mi (8,376.85 km) |
| Lake Tapps to Oeiras | 5,206.00 mi (8,378.25 km) |
| Lake Tapps to Olhao | 5,345.50 mi (8,602.75 km) |
| Lake Tapps to Oliveira de Azemeis | 5,121.23 mi (8,241.83 km) |
