| Nikaia to Montemor-o-Novo | 1,718.72 mi (2,766.01 km) |
| Nikaia to Montemor-o-Velho | 1,730.70 mi (2,785.29 km) |
| Nikaia to Montijo | 1,754.82 mi (2,824.12 km) |
| Nikaia to Mortagua | 1,705.45 mi (2,744.66 km) |
| Nikaia to Moura | 1,683.24 mi (2,708.91 km) |
| Nikaia to Murtosa | 1,724.77 mi (2,775.75 km) |
| Nikaia to Nazare | 1,755.11 mi (2,824.58 km) |
| Nikaia to Nelas | 1,684.92 mi (2,711.61 km) |
| Nikaia to Obidos | 1,762.01 mi (2,835.67 km) |
| Nikaia to Odemira | 1,753.46 mi (2,821.93 km) |
| Nikaia to Odivelas | 1,768.62 mi (2,846.32 km) |
| Nikaia to Oeiras | 1,777.04 mi (2,859.86 km) |
| Nikaia to Olhao | 1,718.36 mi (2,765.43 km) |
| Nikaia to Oliveira de Azemeis | 1,715.98 mi (2,761.61 km) |
| Nikaia to Oliveira de Frades | 1,701.35 mi (2,738.06 km) |
