| Lac to Montemor-o-Novo | 1,482.93 mi (2,386.55 km) |
| Lac to Montemor-o-Velho | 1,479.72 mi (2,381.38 km) |
| Lac to Montijo | 1,517.54 mi (2,442.24 km) |
| Lac to Mortagua | 1,452.51 mi (2,337.58 km) |
| Lac to Moura | 1,454.10 mi (2,340.15 km) |
| Lac to Murtosa | 1,468.66 mi (2,363.59 km) |
| Lac to Nazare | 1,508.90 mi (2,428.34 km) |
| Lac to Nelas | 1,431.59 mi (2,303.93 km) |
| Lac to Obidos | 1,517.92 mi (2,442.86 km) |
| Lac to Odemira | 1,527.46 mi (2,458.20 km) |
| Lac to Odivelas | 1,529.84 mi (2,462.04 km) |
| Lac to Oeiras | 1,539.04 mi (2,476.85 km) |
| Lac to Olhao | 1,499.82 mi (2,413.73 km) |
| Lac to Oliveira de Azemeis | 1,459.06 mi (2,348.14 km) |
| Lac to Oliveira de Frades | 1,445.83 mi (2,326.84 km) |
