| Olesnica to Montemor-o-Novo | 1,510.69 mi (2,431.22 km) |
| Olesnica to Montemor-o-Velho | 1,459.43 mi (2,348.73 km) |
| Olesnica to Montijo | 1,536.03 mi (2,472.01 km) |
| Olesnica to Mortagua | 1,429.43 mi (2,300.44 km) |
| Olesnica to Moura | 1,505.73 mi (2,423.23 km) |
| Olesnica to Murtosa | 1,432.44 mi (2,305.29 km) |
| Olesnica to Nazare | 1,500.35 mi (2,414.58 km) |
| Olesnica to Nelas | 1,410.29 mi (2,269.64 km) |
| Olesnica to Obidos | 1,515.02 mi (2,438.19 km) |
| Olesnica to Odemira | 1,578.28 mi (2,539.99 km) |
| Olesnica to Odivelas | 1,542.12 mi (2,481.80 km) |
| Olesnica to Oeiras | 1,552.55 mi (2,498.59 km) |
| Olesnica to Olhao | 1,575.41 mi (2,535.37 km) |
| Olesnica to Oliveira de Azemeis | 1,421.37 mi (2,287.47 km) |
| Olesnica to Oliveira de Frades | 1,414.91 mi (2,277.08 km) |
