| Austin to Montalegre | 4,858.15 mi (7,818.43 km) |
| Austin to Montemor-o-Novo | 4,926.49 mi (7,928.42 km) |
| Austin to Montemor-o-Velho | 4,861.22 mi (7,823.38 km) |
| Austin to Montijo | 4,891.91 mi (7,872.76 km) |
| Austin to Mortagua | 4,875.55 mi (7,846.45 km) |
| Austin to Moura | 4,979.10 mi (8,013.08 km) |
| Austin to Murtosa | 4,848.03 mi (7,802.15 km) |
| Austin to Nazare | 4,858.23 mi (7,818.57 km) |
| Austin to Nelas | 4,891.66 mi (7,872.37 km) |
| Austin to Obidos | 4,860.46 mi (7,822.15 km) |
| Austin to Odemira | 4,936.25 mi (7,944.12 km) |
| Austin to Odivelas | 4,875.13 mi (7,845.76 km) |
| Austin to Oeiras | 4,871.35 mi (7,839.67 km) |
| Austin to Olhao | 4,991.89 mi (8,033.68 km) |
| Austin to Oliveira de Azemeis | 4,852.70 mi (7,809.66 km) |
