| Gretz-Armainvilliers to Montemor-o-Novo | 884.35 mi (1,423.22 km) |
| Gretz-Armainvilliers to Montemor-o-Velho | 815.63 mi (1,312.63 km) |
| Gretz-Armainvilliers to Montijo | 903.73 mi (1,454.41 km) |
| Gretz-Armainvilliers to Mortagua | 786.32 mi (1,265.47 km) |
| Gretz-Armainvilliers to Moura | 891.72 mi (1,435.09 km) |
| Gretz-Armainvilliers to Murtosa | 784.15 mi (1,261.96 km) |
| Gretz-Armainvilliers to Nazare | 858.82 mi (1,382.13 km) |
| Gretz-Armainvilliers to Nelas | 769.13 mi (1,237.80 km) |
| Gretz-Armainvilliers to Obidos | 874.91 mi (1,408.04 km) |
| Gretz-Armainvilliers to Odemira | 958.26 mi (1,542.17 km) |
| Gretz-Armainvilliers to Odivelas | 906.73 mi (1,459.23 km) |
| Gretz-Armainvilliers to Oeiras | 917.07 mi (1,475.88 km) |
| Gretz-Armainvilliers to Olhao | 968.43 mi (1,558.54 km) |
| Gretz-Armainvilliers to Oliveira de Azemeis | 773.14 mi (1,244.25 km) |
| Gretz-Armainvilliers to Oliveira de Frades | 769.62 mi (1,238.58 km) |
