| Altadena to Montalegre | 5,580.41 mi (8,980.80 km) |
| Altadena to Montemor-o-Novo | 5,698.63 mi (9,171.05 km) |
| Altadena to Montemor-o-Velho | 5,614.34 mi (9,035.41 km) |
| Altadena to Montijo | 5,668.21 mi (9,122.11 km) |
| Altadena to Mortagua | 5,621.68 mi (9,047.22 km) |
| Altadena to Moura | 5,753.35 mi (9,259.12 km) |
| Altadena to Murtosa | 5,592.38 mi (9,000.07 km) |
| Altadena to Nazare | 5,622.30 mi (9,048.21 km) |
| Altadena to Nelas | 5,633.94 mi (9,066.95 km) |
| Altadena to Obidos | 5,628.68 mi (9,058.49 km) |
| Altadena to Odemira | 5,726.50 mi (9,215.91 km) |
| Altadena to Odivelas | 5,651.77 mi (9,095.65 km) |
| Altadena to Oeiras | 5,650.46 mi (9,093.54 km) |
| Altadena to Olhao | 5,784.54 mi (9,309.32 km) |
| Altadena to Oliveira de Azemeis | 5,594.39 mi (9,003.30 km) |
