| Del Aire to Montalegre | 5,603.40 mi (9,017.79 km) |
| Del Aire to Montemor-o-Novo | 5,721.40 mi (9,207.70 km) |
| Del Aire to Montemor-o-Velho | 5,637.20 mi (9,072.19 km) |
| Del Aire to Montijo | 5,690.96 mi (9,158.71 km) |
| Del Aire to Mortagua | 5,644.57 mi (9,084.06 km) |
| Del Aire to Moura | 5,776.11 mi (9,295.76 km) |
| Del Aire to Murtosa | 5,615.27 mi (9,036.91 km) |
| Del Aire to Nazare | 5,645.10 mi (9,084.91 km) |
| Del Aire to Nelas | 5,656.85 mi (9,103.82 km) |
| Del Aire to Obidos | 5,651.46 mi (9,095.15 km) |
| Del Aire to Odemira | 5,749.17 mi (9,252.40 km) |
| Del Aire to Odivelas | 5,674.51 mi (9,132.25 km) |
| Del Aire to Oeiras | 5,673.19 mi (9,130.11 km) |
| Del Aire to Olhao | 5,807.21 mi (9,345.80 km) |
| Del Aire to Oliveira de Azemeis | 5,617.29 mi (9,040.16 km) |
