| Gignac-la-Nerthe to Montemor-o-Novo | 772.82 mi (1,243.74 km) |
| Gignac-la-Nerthe to Montemor-o-Velho | 749.94 mi (1,206.92 km) |
| Gignac-la-Nerthe to Montijo | 803.99 mi (1,293.90 km) |
| Gignac-la-Nerthe to Mortagua | 721.15 mi (1,160.58 km) |
| Gignac-la-Nerthe to Moura | 755.66 mi (1,216.12 km) |
| Gignac-la-Nerthe to Murtosa | 733.79 mi (1,180.93 km) |
| Gignac-la-Nerthe to Nazare | 783.96 mi (1,261.66 km) |
| Gignac-la-Nerthe to Nelas | 700.27 mi (1,126.98 km) |
| Gignac-la-Nerthe to Obidos | 795.35 mi (1,279.99 km) |
| Gignac-la-Nerthe to Odemira | 830.50 mi (1,336.55 km) |
| Gignac-la-Nerthe to Odivelas | 813.83 mi (1,309.74 km) |
| Gignac-la-Nerthe to Oeiras | 823.81 mi (1,325.80 km) |
| Gignac-la-Nerthe to Olhao | 816.84 mi (1,314.58 km) |
| Gignac-la-Nerthe to Oliveira de Azemeis | 723.57 mi (1,164.48 km) |
| Gignac-la-Nerthe to Oliveira de Frades | 711.93 mi (1,145.74 km) |
