| Potenza Picena to Montemor-o-Novo | 1,180.21 mi (1,899.37 km) |
| Potenza Picena to Montemor-o-Velho | 1,166.60 mi (1,877.47 km) |
| Potenza Picena to Montijo | 1,213.29 mi (1,952.60 km) |
| Potenza Picena to Mortagua | 1,138.39 mi (1,832.06 km) |
| Potenza Picena to Moura | 1,156.75 mi (1,861.61 km) |
| Potenza Picena to Murtosa | 1,152.42 mi (1,854.65 km) |
| Potenza Picena to Nazare | 1,198.61 mi (1,928.98 km) |
| Potenza Picena to Nelas | 1,117.44 mi (1,798.35 km) |
| Potenza Picena to Obidos | 1,208.96 mi (1,945.63 km) |
| Potenza Picena to Odemira | 1,231.36 mi (1,981.68 km) |
| Potenza Picena to Odivelas | 1,224.40 mi (1,970.47 km) |
| Potenza Picena to Oeiras | 1,234.04 mi (1,985.99 km) |
| Potenza Picena to Olhao | 1,209.95 mi (1,947.23 km) |
| Potenza Picena to Oliveira de Azemeis | 1,142.41 mi (1,838.53 km) |
| Potenza Picena to Oliveira de Frades | 1,130.16 mi (1,818.81 km) |
