| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Oraboea | city | | Indonesia | -2.9833333 | 119.3833333 | 4284 | 18191 |
| Orabua | city | | Indonesia | -2.9833333 | 119.3833333 | 4284 | 18191 |
| Orado | city | | Indonesia | -3.8 | 136.4333333 | 6981 | 876 |
| Oransbari | city | Provinsi Papua | Indonesia | -1.35 | 134.2666667 | 3 | 274 |
| Orejabo | city | | Indonesia | -7.0166667 | 139.2666667 | 3 | 371 |
| Oreng | city | | Indonesia | 4.55 | 96.8166667 | 4750 | 7957 |
| Oreng | city | Daerah Istimewa Aceh | Indonesia | 4.0638889 | 97.4616667 | 3057 | 3906 |
| Oreyabo | city | | Indonesia | -7.0166667 | 139.2666667 | 3 | 371 |
| Orija | city | | Indonesia | -3.0166667 | 134.3166667 | 2004 | 873 |
| Orimbori | city | | Indonesia | -0.65 | 135.5 | 0 | 1659 |
| Orohan | city | Propinsi Jawa Timur | Indonesia | -7.1372222 | 112.8061111 | 3 | 79933 |
| Orokorok | city | Propinsi Jawa Tengah | Indonesia | -7.2719444 | 110.5916667 | 682 | 155173 |
| Orong | city | Propinsi Sulawesi Selatan | Indonesia | -2.9727778 | 119.3716667 | 3986 | 18191 |
| Oroorodowo | city | Propinsi Jawa Timur | Indonesia | -7.9702778 | 112.6244444 | 1587 | 89229 |
| Orooroombo | city | Propinsi Jawa Timur | Indonesia | -7.895 | 112.5266667 | 2992 | 90295 |
| Orowosobo | city | | Indonesia | -2.75 | 133.7 | 3 | 655 |
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