| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oksuzkoy | city | Usak Ili | Turkey | 38.6833333 | 29.7333333 | 3057 | 8215 |
| Omurca | city | Usak Ili | Turkey | 38.5452778 | 29.2827778 | 3070 | 8229 |
| Orenkoy | city | Usak Ili | Turkey | 38.5316667 | 29.1322222 | 3116 | 8233 |
| Ortakoy | city | Usak Ili | Turkey | 38.6844444 | 29.5486111 | 3326 | 8215 |
| Ortaköy | city | Usak Ili | Turkey | 38.6844444 | 29.5486111 | 3326 | 8215 |
| Oturak | city | Usak Ili | Turkey | 38.8305556 | 29.9252778 | 3661 | 6281 |
| Ouchak | city | Usak Ili | Turkey | 38.68 | 29.4080556 | 3001 | 8062 |
| Ovacik | city | Usak Ili | Turkey | 38.7977778 | 29.6238889 | 4373 | 7992 |
| Ovacikkoy | city | Usak Ili | Turkey | 38.7977778 | 29.6238889 | 4373 | 7992 |
| Ovacık | city | Usak Ili | Turkey | 38.7977778 | 29.6238889 | 4373 | 7992 |
| Ovacıkköy | city | Usak Ili | Turkey | 38.7977778 | 29.6238889 | 4373 | 7992 |
| Ovademirler | city | Usak Ili | Turkey | 38.6352778 | 29.4019444 | 2870 | 8219 |
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