| Le Portel to Montemor-o-Novo | 960.03 mi (1,545.01 km) |
| Le Portel to Montemor-o-Velho | 880.01 mi (1,416.24 km) |
| Le Portel to Montijo | 974.95 mi (1,569.04 km) |
| Le Portel to Mortagua | 852.09 mi (1,371.31 km) |
| Le Portel to Moura | 974.52 mi (1,568.34 km) |
| Le Portel to Murtosa | 845.21 mi (1,360.24 km) |
| Le Portel to Nazare | 924.06 mi (1,487.13 km) |
| Le Portel to Nelas | 837.04 mi (1,347.08 km) |
| Le Portel to Obidos | 940.95 mi (1,514.31 km) |
| Le Portel to Odemira | 1,036.16 mi (1,667.54 km) |
| Le Portel to Odivelas | 975.67 mi (1,570.19 km) |
| Le Portel to Oeiras | 985.72 mi (1,586.36 km) |
| Le Portel to Olhao | 1,053.19 mi (1,694.95 km) |
| Le Portel to Oliveira de Azemeis | 834.58 mi (1,343.12 km) |
| Le Portel to Oliveira de Frades | 833.90 mi (1,342.04 km) |
