| Oss to Montemor-o-Novo | 1,122.17 mi (1,805.95 km) |
| Oss to Montemor-o-Velho | 1,048.57 mi (1,687.51 km) |
| Oss to Montijo | 1,139.91 mi (1,834.50 km) |
| Oss to Mortagua | 1,019.83 mi (1,641.26 km) |
| Oss to Moura | 1,131.77 mi (1,821.40 km) |
| Oss to Murtosa | 1,015.36 mi (1,634.07 km) |
| Oss to Nazare | 1,092.29 mi (1,757.87 km) |
| Oss to Nelas | 1,003.55 mi (1,615.05 km) |
| Oss to Obidos | 1,108.79 mi (1,784.43 km) |
| Oss to Odemira | 1,196.97 mi (1,926.34 km) |
| Oss to Odivelas | 1,141.97 mi (1,837.82 km) |
| Oss to Oeiras | 1,152.21 mi (1,854.30 km) |
| Oss to Olhao | 1,209.08 mi (1,945.83 km) |
| Oss to Oliveira de Azemeis | 1,004.51 mi (1,616.60 km) |
| Oss to Oliveira de Frades | 1,002.37 mi (1,613.16 km) |
