| East San Gabriel to Montalegre | 5,581.92 mi (8,983.23 km) |
| East San Gabriel to Montemor-o-Novo | 5,699.85 mi (9,173.02 km) |
| East San Gabriel to Montemor-o-Velho | 5,615.67 mi (9,037.55 km) |
| East San Gabriel to Montijo | 5,669.40 mi (9,124.02 km) |
| East San Gabriel to Mortagua | 5,623.06 mi (9,049.43 km) |
| East San Gabriel to Moura | 5,754.57 mi (9,261.08 km) |
| East San Gabriel to Murtosa | 5,593.76 mi (9,002.29 km) |
| East San Gabriel to Nazare | 5,623.56 mi (9,050.24 km) |
| East San Gabriel to Nelas | 5,635.34 mi (9,069.20 km) |
| East San Gabriel to Obidos | 5,629.92 mi (9,060.48 km) |
| East San Gabriel to Odemira | 5,727.61 mi (9,217.70 km) |
| East San Gabriel to Odivelas | 5,652.96 mi (9,097.56 km) |
| East San Gabriel to Oeiras | 5,651.63 mi (9,095.42 km) |
| East San Gabriel to Olhao | 5,785.65 mi (9,311.10 km) |
| East San Gabriel to Oliveira de Azemeis | 5,595.78 mi (9,005.54 km) |
