| Asten to Montemor-o-Novo | 1,110.14 mi (1,786.59 km) |
| Asten to Montemor-o-Velho | 1,038.40 mi (1,671.14 km) |
| Asten to Montijo | 1,128.59 mi (1,816.29 km) |
| Asten to Mortagua | 1,009.45 mi (1,624.55 km) |
| Asten to Moura | 1,118.56 mi (1,800.14 km) |
| Asten to Murtosa | 1,005.72 mi (1,618.55 km) |
| Asten to Nazare | 1,081.96 mi (1,741.24 km) |
| Asten to Nelas | 992.84 mi (1,597.82 km) |
| Asten to Obidos | 1,098.33 mi (1,767.59 km) |
| Asten to Odemira | 1,184.52 mi (1,906.30 km) |
| Asten to Odivelas | 1,131.02 mi (1,820.20 km) |
| Asten to Oeiras | 1,141.30 mi (1,836.75 km) |
| Asten to Olhao | 1,195.48 mi (1,923.93 km) |
| Asten to Oliveira de Azemeis | 994.81 mi (1,600.99 km) |
| Asten to Oliveira de Frades | 992.23 mi (1,596.83 km) |
