| Duiven to Montemor-o-Novo | 1,146.32 mi (1,844.82 km) |
| Duiven to Montemor-o-Velho | 1,073.24 mi (1,727.21 km) |
| Duiven to Montijo | 1,164.28 mi (1,873.72 km) |
| Duiven to Mortagua | 1,044.44 mi (1,680.87 km) |
| Duiven to Moura | 1,155.51 mi (1,859.61 km) |
| Duiven to Murtosa | 1,040.15 mi (1,673.96 km) |
| Duiven to Nazare | 1,116.92 mi (1,797.51 km) |
| Duiven to Nelas | 1,028.08 mi (1,654.53 km) |
| Duiven to Obidos | 1,133.39 mi (1,824.02 km) |
| Duiven to Odemira | 1,220.99 mi (1,964.99 km) |
| Duiven to Odivelas | 1,166.44 mi (1,877.21 km) |
| Duiven to Oeiras | 1,176.69 mi (1,893.71 km) |
| Duiven to Olhao | 1,232.68 mi (1,983.80 km) |
| Duiven to Oliveira de Azemeis | 1,029.28 mi (1,656.47 km) |
| Duiven to Oliveira de Frades | 1,027.04 mi (1,652.86 km) |
