| Gaziantep to Opole | 1,341.95 mi (2,159.66 km) |
| Gaziantep to Orzesze | 1,291.73 mi (2,078.83 km) |
| Gaziantep to Osowa | 1,496.72 mi (2,408.73 km) |
| Gaziantep to Ostroda | 1,418.49 mi (2,282.83 km) |
| Gaziantep to Ostroleka | 1,341.89 mi (2,159.57 km) |
| Gaziantep to Ostrow Mazowiecka | 1,318.87 mi (2,122.52 km) |
| Gaziantep to Ostrow Wielkopolski | 1,387.70 mi (2,233.29 km) |
| Gaziantep to Ostrowiec Swietokrzyski | 1,239.16 mi (1,994.24 km) |
| Gaziantep to Ostrzeszow | 1,373.72 mi (2,210.78 km) |
| Gaziantep to Oswiecim | 1,270.46 mi (2,044.61 km) |
| Gaziantep to Otwock | 1,301.60 mi (2,094.72 km) |
| Gaziantep to Ozarow Mazowiecki | 1,320.25 mi (2,124.74 km) |
| Gaziantep to Ozimek | 1,332.46 mi (2,144.39 km) |
| Gaziantep to Ozorkow | 1,354.43 mi (2,179.74 km) |
| Gaziantep to Pabianice | 1,336.58 mi (2,151.01 km) |
