| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oker | city | Republika Srbija | Serbia & Montenegro | 45.4536111 | 19.6858333 | 269 | 10008 |
| Okeresztur | city | Republika Srbija | Serbia & Montenegro | 46.1333333 | 20.1 | 249 | 10035 |
| Oklace | city | Republika Srbija | Serbia & Montenegro | 42.9505556 | 20.5183333 | 3149 | 15967 |
| Oklaci | city | Republika Srbija | Serbia & Montenegro | 42.9505556 | 20.5183333 | 3149 | 15967 |
| Oklap | city | Republika Srbija | Serbia & Montenegro | 42.5413889 | 21.2413889 | 2312 | 19535 |
| Okletac | city | Republika Srbija | Serbia & Montenegro | 44.0869444 | 19.5905556 | 1558 | 11058 |
| Okletacko Polje | city | Republika Srbija | Serbia & Montenegro | 44.0527778 | 19.5738889 | 1217 | 9249 |
| Okletačko Polje | city | Republika Srbija | Serbia & Montenegro | 44.0527778 | 19.5738889 | 1217 | 9249 |
| Okllace | city | Republika Srbija | Serbia & Montenegro | 42.9505556 | 20.5183333 | 3149 | 15967 |
| Okllacë | city | Republika Srbija | Serbia & Montenegro | 42.9505556 | 20.5183333 | 3149 | 15967 |
| Okoliste | city | Republika Srbija | Serbia & Montenegro | 43.4222222 | 22.2725 | 1984 | 11571 |
| Okolište | city | Republika Srbija | Serbia & Montenegro | 43.4222222 | 22.2725 | 1984 | 11571 |
| Okose | city | Republika Srbija | Serbia & Montenegro | 43.2038889 | 20.3391667 | 3369 | 11618 |
| Okosnica | city | Republika Srbija | Serbia & Montenegro | 42.6066667 | 21.2530556 | 2851 | 19507 |
| Okovic | city | Republika Srbija | Serbia & Montenegro | 42.6958333 | 20.6688889 | 1856 | 19485 |
| Oković | city | Republika Srbija | Serbia & Montenegro | 42.6958333 | 20.6688889 | 1856 | 19485 |
| Okrajak | city | Republika Srbija | Serbia & Montenegro | 43.5383333 | 19.465 | 3116 | 11375 |
| Okrajcane | city | Republika Srbija | Serbia & Montenegro | 43.4952778 | 20.1597222 | 3234 | 11562 |
| Okrajčane | city | Republika Srbija | Serbia & Montenegro | 43.4952778 | 20.1597222 | 3234 | 11562 |
| Okrastica | city | Republika Srbija | Serbia & Montenegro | 42.8252778 | 20.9094444 | 1965 | 19446 |
| Okraštica | city | Republika Srbija | Serbia & Montenegro | 42.8252778 | 20.9094444 | 1965 | 19446 |
| Okrugla | city | Republika Srbija | Serbia & Montenegro | 44.0977778 | 19.5822222 | 2309 | 10706 |
| Okruglica | city | Republika Srbija | Serbia & Montenegro | 43.4911111 | 19.3219444 | 2618 | 10697 |
| Okruglica | city | Republika Srbija | Serbia & Montenegro | 43.5691667 | 19.9983333 | 3868 | 11544 |
| Okruglica | city | Republika Srbija | Serbia & Montenegro | 43.5563889 | 21.0963889 | 649 | 11544 |
| Okruglica | city | Republika Srbija | Serbia & Montenegro | 43.3836111 | 22.225 | 1486 | 11576 |
| Okruglica | city | Republika Srbija | Serbia & Montenegro | 42.67 | 22.3283333 | 4278 | 11711 |
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