| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obruk | city | Eskisehir Ili | Turkey | 39.9666667 | 31.5 | 3120 | 6310 |
| Obrukminnetler | city | Eskisehir Ili | Turkey | 39.9666667 | 31.5 | 3120 | 6310 |
| Obruksemsiler | city | Eskisehir Ili | Turkey | 39.9833333 | 31.5 | 2463 | 6310 |
| Obruksemşiler | city | Eskisehir Ili | Turkey | 39.9833333 | 31.5 | 2463 | 6310 |
| Oglakci | city | Eskisehir Ili | Turkey | 39.55 | 31.7333333 | 2811 | 5499 |
| Okcu | city | Eskisehir Ili | Turkey | 39.5816667 | 31.3063889 | 3546 | 5499 |
| Okcukoyu | city | Eskisehir Ili | Turkey | 39.5816667 | 31.3063889 | 3546 | 5499 |
| Okcuköyü | city | Eskisehir Ili | Turkey | 39.5816667 | 31.3063889 | 3546 | 5499 |
| Okçu | city | Eskisehir Ili | Turkey | 39.5816667 | 31.3063889 | 3546 | 5499 |
| Omerler | city | Eskisehir Ili | Turkey | 39.7647222 | 31.835 | 2913 | 10374 |
| Orencik | city | Eskisehir Ili | Turkey | 39.4 | 30.6666667 | 3579 | 5513 |
| Orencik | city | Eskisehir Ili | Turkey | 40.105 | 30.7911111 | 1118 | 5472 |
| Orhaniye | city | Eskisehir Ili | Turkey | 39.6666667 | 30.25 | 3218 | 5455 |
| Orhaniye | city | Eskisehir Ili | Turkey | 39.3458333 | 30.8675 | 3166 | 5517 |
| Orhaniye | city | Eskisehir Ili | Turkey | 39.6969444 | 31.4066667 | 2480 | 5492 |
| Ortaklar | city | Eskisehir Ili | Turkey | 39.6211111 | 31.7719444 | 2477 | 5496 |
| Ortaoba | city | Eskisehir Ili | Turkey | 39.3666667 | 30.8 | 3615 | 5517 |
| Osmaniye | city | Eskisehir Ili | Turkey | 39.8419444 | 30.9083333 | 2562 | 5478 |
| Osmaniye | city | Eskisehir Ili | Turkey | 39.3405556 | 30.9230556 | 2956 | 5517 |
| Ozdenk | city | Eskisehir Ili | Turkey | 39.8988889 | 31.0238889 | 3100 | 5475 |
| Oğlakçı | city | Eskisehir Ili | Turkey | 39.55 | 31.7333333 | 2811 | 5499 |
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