| Oakland to Montalegre | 5,561.78 mi (8,950.82 km) |
| Oakland to Montemor-o-Novo | 5,695.55 mi (9,166.10 km) |
| Oakland to Montemor-o-Velho | 5,605.81 mi (9,021.68 km) |
| Oakland to Montijo | 5,667.05 mi (9,120.24 km) |
| Oakland to Mortagua | 5,610.62 mi (9,029.42 km) |
| Oakland to Moura | 5,750.24 mi (9,254.12 km) |
| Oakland to Murtosa | 5,581.13 mi (8,981.97 km) |
| Oakland to Nazare | 5,617.47 mi (9,040.45 km) |
| Oakland to Nelas | 5,621.37 mi (9,046.72 km) |
| Oakland to Obidos | 5,625.23 mi (9,052.93 km) |
| Oakland to Odemira | 5,729.49 mi (9,220.72 km) |
| Oakland to Odivelas | 5,650.97 mi (9,094.35 km) |
| Oakland to Oeiras | 5,650.55 mi (9,093.68 km) |
| Oakland to Olhao | 5,787.58 mi (9,314.21 km) |
| Oakland to Oliveira de Azemeis | 5,582.19 mi (8,983.67 km) |
