| Gaziantep to Octeville | 2,114.32 mi (3,402.67 km) |
| Gaziantep to Oignies | 1,925.75 mi (3,099.20 km) |
| Gaziantep to Oissel | 1,990.04 mi (3,202.66 km) |
| Gaziantep to Olivet | 1,935.14 mi (3,114.30 km) |
| Gaziantep to Ollioules | 1,707.58 mi (2,748.08 km) |
| Gaziantep to Olonne-sur-Mer | 2,095.73 mi (3,372.76 km) |
| Gaziantep to Oloron-Sainte-Marie | 2,032.73 mi (3,271.36 km) |
| Gaziantep to Onet Village | 1,874.78 mi (3,017.17 km) |
| Gaziantep to Onnaing | 1,898.61 mi (3,055.52 km) |
| Gaziantep to Orange | 1,764.27 mi (2,839.32 km) |
| Gaziantep to Orchies | 1,915.24 mi (3,082.28 km) |
| Gaziantep to Orleans | 1,935.20 mi (3,114.40 km) |
| Gaziantep to Orly | 1,924.04 mi (3,096.45 km) |
| Gaziantep to Ormesson-sur-Marne | 1,918.14 mi (3,086.95 km) |
| Gaziantep to Orsay | 1,932.58 mi (3,110.19 km) |
