| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obai | city | State of Sabah | Malaysia | 5.6833333 | 116.0333333 | 364 | 10813 |
| Obal | city | State of Sabah | Malaysia | 5.6833333 | 116.0333333 | 364 | 10813 |
| Ogan | city | State of Sabah | Malaysia | 6.1166667 | 117.1 | 301 | 1204 |
| On Lok Village | city | Negeri Melaka | Malaysia | 2.4666667 | 102.3833333 | 200 | 10582 |
| Ongkilan | city | State of Sabah | Malaysia | 6.5166667 | 116.7833333 | 377 | 3564 |
| Ontoh | city | State of Sabah | Malaysia | 6.75 | 117.1 | 492 | 3519 |
| Orek | city | Negeri Sembilan | Malaysia | 2.5333333 | 102.25 | 400 | 20776 |
| Ouluk | city | State of Sabah | Malaysia | 5.1833333 | 115.9833333 | 839 | 3008 |
| Oya | city | State of Sarawak | Malaysia | 2.8666667 | 111.8833333 | 3 | 2951 |
| Oya | city | | Malaysia | 2.8333333 | 111.9166667 | 6 | 3546 |
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