| Pirna to Montemor-o-Novo | 1,370.43 mi (2,205.50 km) |
| Pirna to Montemor-o-Velho | 1,315.83 mi (2,117.62 km) |
| Pirna to Montijo | 1,394.76 mi (2,244.65 km) |
| Pirna to Mortagua | 1,285.88 mi (2,069.43 km) |
| Pirna to Moura | 1,367.68 mi (2,201.07 km) |
| Pirna to Murtosa | 1,287.94 mi (2,072.74 km) |
| Pirna to Nazare | 1,357.27 mi (2,184.31 km) |
| Pirna to Nelas | 1,267.04 mi (2,039.11 km) |
| Pirna to Obidos | 1,372.24 mi (2,208.41 km) |
| Pirna to Odemira | 1,439.41 mi (2,316.51 km) |
| Pirna to Odivelas | 1,400.29 mi (2,253.54 km) |
| Pirna to Oeiras | 1,410.74 mi (2,270.36 km) |
| Pirna to Olhao | 1,438.92 mi (2,315.72 km) |
| Pirna to Oliveira de Azemeis | 1,276.86 mi (2,054.90 km) |
| Pirna to Oliveira de Frades | 1,270.93 mi (2,045.36 km) |
