| Ortahisar to Opole | 1,171.73 mi (1,885.72 km) |
| Ortahisar to Orzesze | 1,121.32 mi (1,804.59 km) |
| Ortahisar to Osowa | 1,334.60 mi (2,147.83 km) |
| Ortahisar to Ostroda | 1,256.90 mi (2,022.79 km) |
| Ortahisar to Ostroleka | 1,181.46 mi (1,901.37 km) |
| Ortahisar to Ostrow Mazowiecka | 1,158.39 mi (1,864.25 km) |
| Ortahisar to Ostrow Wielkopolski | 1,219.11 mi (1,961.97 km) |
| Ortahisar to Ostrowiec Swietokrzyski | 1,073.39 mi (1,727.46 km) |
| Ortahisar to Ostrzeszow | 1,204.81 mi (1,938.96 km) |
| Ortahisar to Oswiecim | 1,100.28 mi (1,770.73 km) |
| Ortahisar to Otwock | 1,138.38 mi (1,832.05 km) |
| Ortahisar to Ozarow Mazowiecki | 1,156.54 mi (1,861.26 km) |
| Ortahisar to Ozimek | 1,162.49 mi (1,870.85 km) |
| Ortahisar to Ozorkow | 1,188.06 mi (1,912.00 km) |
| Ortahisar to Pabianice | 1,169.68 mi (1,882.41 km) |
