| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ochestan | city | | Iran | 33.6686111 | 50.4125 | 6082 | 4947 |
| Ochestān | city | | Iran | 33.6686111 | 50.4125 | 6082 | 4947 |
| Olusjerd | city | | Iran | 34.9566667 | 50.3430556 | 3297 | 5241 |
| Olusjerd | city | | Iran | 34.9497222 | 50.3669444 | 3248 | 5241 |
| Olūsjerd | city | | Iran | 34.9566667 | 50.3430556 | 3297 | 5241 |
| Olūsjerd | city | | Iran | 34.9497222 | 50.3669444 | 3248 | 5241 |
| Ordmin | city | | Iran | 35.2025 | 49.7969444 | 6689 | 5226 |
| Ordmīn | city | | Iran | 35.2025 | 49.7969444 | 6689 | 5226 |
| Ormak | city | | Iran | 34.1108333 | 51.0602778 | 5931 | 5035 |
| Ormakan | city | | Iran | 34.6986111 | 50.4938889 | 3805 | 48490 |
| Ortagol | city | | Iran | 34.73 | 49.7238889 | 7355 | 5254 |
| Ostuh | city | | Iran | 34.3244444 | 49.2433333 | 5626 | 5282 |
| Ostuj | city | | Iran | 34.8941667 | 50.3675 | 3208 | 5244 |
| Ostūh | city | | Iran | 34.3244444 | 49.2433333 | 5626 | 5282 |
| Ostūj | city | | Iran | 34.8941667 | 50.3675 | 3208 | 5244 |
| Owjan | city | | Iran | 34.8697222 | 50.3775 | 3149 | 5247 |
| Owjān | city | | Iran | 34.8697222 | 50.3775 | 3149 | 5247 |
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