| Ada to Montalegre | 1,411.59 mi (2,271.73 km) |
| Ada to Montemor-o-Novo | 1,522.82 mi (2,450.74 km) |
| Ada to Montemor-o-Velho | 1,498.62 mi (2,411.80 km) |
| Ada to Montijo | 1,554.30 mi (2,501.40 km) |
| Ada to Mortagua | 1,469.43 mi (2,364.82 km) |
| Ada to Moura | 1,503.61 mi (2,419.82 km) |
| Ada to Murtosa | 1,480.33 mi (2,382.36 km) |
| Ada to Nazare | 1,533.69 mi (2,468.24 km) |
| Ada to Nelas | 1,448.68 mi (2,331.42 km) |
| Ada to Obidos | 1,545.40 mi (2,487.08 km) |
| Ada to Odemira | 1,578.51 mi (2,540.36 km) |
| Ada to Odivelas | 1,564.21 mi (2,517.36 km) |
| Ada to Oeiras | 1,574.18 mi (2,533.40 km) |
| Ada to Olhao | 1,560.95 mi (2,512.10 km) |
| Ada to Oliveira de Azemeis | 1,469.81 mi (2,365.44 km) |
