| San Diego to Montalegre | 5,605.27 mi (9,020.81 km) |
| San Diego to Montemor-o-Novo | 5,718.29 mi (9,202.71 km) |
| San Diego to Montemor-o-Velho | 5,635.90 mi (9,070.11 km) |
| San Diego to Montijo | 5,687.31 mi (9,152.84 km) |
| San Diego to Mortagua | 5,644.05 mi (9,083.22 km) |
| San Diego to Moura | 5,772.94 mi (9,290.65 km) |
| San Diego to Murtosa | 5,614.85 mi (9,036.23 km) |
| San Diego to Nazare | 5,642.65 mi (9,080.97 km) |
| San Diego to Nelas | 5,656.77 mi (9,103.70 km) |
| San Diego to Obidos | 5,648.58 mi (9,090.52 km) |
| San Diego to Odemira | 5,744.16 mi (9,244.33 km) |
| San Diego to Odivelas | 5,670.78 mi (9,126.24 km) |
| San Diego to Oeiras | 5,669.18 mi (9,123.67 km) |
| San Diego to Olhao | 5,802.09 mi (9,337.57 km) |
| San Diego to Oliveira de Azemeis | 5,617.16 mi (9,039.95 km) |
