| Martha Lake to Montalegre | 5,064.19 mi (8,150.03 km) |
| Martha Lake to Montemor-o-Novo | 5,219.25 mi (8,399.57 km) |
| Martha Lake to Montemor-o-Velho | 5,122.56 mi (8,243.96 km) |
| Martha Lake to Montijo | 5,194.05 mi (8,359.02 km) |
| Martha Lake to Mortagua | 5,123.52 mi (8,245.51 km) |
| Martha Lake to Moura | 5,273.13 mi (8,486.29 km) |
| Martha Lake to Murtosa | 5,094.16 mi (8,198.26 km) |
| Martha Lake to Nazare | 5,139.63 mi (8,271.43 km) |
| Martha Lake to Nelas | 5,131.89 mi (8,258.98 km) |
| Martha Lake to Obidos | 5,149.35 mi (8,287.08 km) |
| Martha Lake to Odemira | 5,261.95 mi (8,468.29 km) |
| Martha Lake to Odivelas | 5,178.74 mi (8,334.38 km) |
| Martha Lake to Oeiras | 5,179.70 mi (8,335.92 km) |
| Martha Lake to Olhao | 5,319.29 mi (8,560.57 km) |
| Martha Lake to Oliveira de Azemeis | 5,093.80 mi (8,197.68 km) |
