| Ortahisar to Montalegre | 2,238.10 mi (3,601.87 km) |
| Ortahisar to Montemor-o-Novo | 2,303.11 mi (3,706.50 km) |
| Ortahisar to Montemor-o-Velho | 2,304.26 mi (3,708.34 km) |
| Ortahisar to Montijo | 2,338.34 mi (3,763.20 km) |
| Ortahisar to Mortagua | 2,277.36 mi (3,665.06 km) |
| Ortahisar to Moura | 2,271.50 mi (3,655.63 km) |
| Ortahisar to Murtosa | 2,294.01 mi (3,691.86 km) |
| Ortahisar to Nazare | 2,332.41 mi (3,753.65 km) |
| Ortahisar to Nelas | 2,256.49 mi (3,631.47 km) |
| Ortahisar to Obidos | 2,340.88 mi (3,767.28 km) |
| Ortahisar to Odemira | 2,343.65 mi (3,771.74 km) |
| Ortahisar to Odivelas | 2,351.19 mi (3,783.87 km) |
| Ortahisar to Oeiras | 2,360.14 mi (3,798.28 km) |
| Ortahisar to Olhao | 2,312.21 mi (3,721.15 km) |
| Ortahisar to Oliveira de Azemeis | 2,284.50 mi (3,676.55 km) |
