| South San Francisco to Montalegre | 5,576.26 mi (8,974.12 km) |
| South San Francisco to Montemor-o-Novo | 5,710.09 mi (9,189.50 km) |
| South San Francisco to Montemor-o-Velho | 5,620.33 mi (9,045.05 km) |
| South San Francisco to Montijo | 5,681.59 mi (9,143.64 km) |
| South San Francisco to Mortagua | 5,625.13 mi (9,052.77 km) |
| South San Francisco to Moura | 5,764.78 mi (9,277.51 km) |
| South San Francisco to Murtosa | 5,595.64 mi (9,005.32 km) |
| South San Francisco to Nazare | 5,632.01 mi (9,063.84 km) |
| South San Francisco to Nelas | 5,635.88 mi (9,070.07 km) |
| South San Francisco to Obidos | 5,639.77 mi (9,076.33 km) |
| South San Francisco to Odemira | 5,744.04 mi (9,244.14 km) |
| South San Francisco to Odivelas | 5,665.51 mi (9,117.75 km) |
| South San Francisco to Oeiras | 5,665.09 mi (9,117.09 km) |
| South San Francisco to Olhao | 5,802.13 mi (9,337.63 km) |
| South San Francisco to Oliveira de Azemeis | 5,596.70 mi (9,007.02 km) |
