| Nida to Montemor-o-Novo | 1,772.03 mi (2,851.80 km) |
| Nida to Montemor-o-Velho | 1,709.49 mi (2,751.15 km) |
| Nida to Montijo | 1,794.05 mi (2,887.25 km) |
| Nida to Mortagua | 1,679.89 mi (2,703.53 km) |
| Nida to Moura | 1,773.30 mi (2,853.85 km) |
| Nida to Murtosa | 1,678.96 mi (2,702.02 km) |
| Nida to Nazare | 1,752.18 mi (2,819.86 km) |
| Nida to Nelas | 1,662.05 mi (2,674.81 km) |
| Nida to Obidos | 1,767.90 mi (2,845.16 km) |
| Nida to Odemira | 1,843.36 mi (2,966.61 km) |
| Nida to Odivelas | 1,798.24 mi (2,893.98 km) |
| Nida to Oeiras | 1,808.66 mi (2,910.75 km) |
| Nida to Olhao | 1,846.66 mi (2,971.92 km) |
| Nida to Oliveira de Azemeis | 1,667.91 mi (2,684.25 km) |
| Nida to Oliveira de Frades | 1,663.72 mi (2,677.50 km) |
