| Ospitaletto to Montemor-o-Novo | 1,048.67 mi (1,687.66 km) |
| Ospitaletto to Montemor-o-Velho | 1,017.29 mi (1,637.17 km) |
| Ospitaletto to Montijo | 1,078.49 mi (1,735.67 km) |
| Ospitaletto to Mortagua | 987.77 mi (1,589.66 km) |
| Ospitaletto to Moura | 1,034.31 mi (1,664.55 km) |
| Ospitaletto to Murtosa | 997.36 mi (1,605.10 km) |
| Ospitaletto to Nazare | 1,053.81 mi (1,695.95 km) |
| Ospitaletto to Nelas | 967.20 mi (1,556.57 km) |
| Ospitaletto to Obidos | 1,066.29 mi (1,716.02 km) |
| Ospitaletto to Odemira | 1,108.93 mi (1,784.64 km) |
| Ospitaletto to Odivelas | 1,087.38 mi (1,749.96 km) |
| Ospitaletto to Oeiras | 1,097.55 mi (1,766.33 km) |
| Ospitaletto to Olhao | 1,097.20 mi (1,765.77 km) |
| Ospitaletto to Oliveira de Azemeis | 986.71 mi (1,587.95 km) |
| Ospitaletto to Oliveira de Frades | 976.67 mi (1,571.79 km) |
