| Naantali to Montemor-o-Novo | 1,992.74 mi (3,207.01 km) |
| Naantali to Montemor-o-Velho | 1,916.88 mi (3,084.91 km) |
| Naantali to Montijo | 2,009.87 mi (3,234.57 km) |
| Naantali to Mortagua | 1,888.56 mi (3,039.34 km) |
| Naantali to Moura | 2,002.42 mi (3,222.58 km) |
| Naantali to Murtosa | 1,882.62 mi (3,029.78 km) |
| Naantali to Nazare | 1,960.82 mi (3,155.63 km) |
| Naantali to Nelas | 1,872.83 mi (3,014.02 km) |
| Naantali to Obidos | 1,977.54 mi (3,182.54 km) |
| Naantali to Odemira | 2,067.70 mi (3,327.65 km) |
| Naantali to Odivelas | 2,011.46 mi (3,237.12 km) |
| Naantali to Oeiras | 2,021.62 mi (3,253.49 km) |
| Naantali to Olhao | 2,079.49 mi (3,346.61 km) |
| Naantali to Oliveira de Azemeis | 1,871.91 mi (3,012.55 km) |
| Naantali to Oliveira de Frades | 1,870.69 mi (3,010.58 km) |
