| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Oghin | city | Ostan-e Sistan va Baluchestan | Iran | 26.5858333 | 60.0211111 | 4071 | 1327 |
| Oraki | city | Ostan-e Sistan va Baluchestan | Iran | 25.7211111 | 60.9336111 | 114 | 1335 |
| Orang | city | Ostan-e Sistan va Baluchestan | Iran | 26.4627778 | 60.5741667 | 3316 | 1330 |
| Orang | city | Ostan-e Sistan va Baluchestan | Iran | 26.4344444 | 60.575 | 3146 | 1330 |
| Ormak | city | Ostan-e Sistan va Baluchestan | Iran | 27.4061111 | 61.3136111 | 4671 | 1316 |
| Ormand | city | Ostan-e Sistan va Baluchestan | Iran | 27.3575 | 62.3380556 | 3786 | 1316 |
| Ornag | city | Ostan-e Sistan va Baluchestan | Iran | 26.4627778 | 60.5741667 | 3316 | 1330 |
| Ornak | city | Ostan-e Sistan va Baluchestan | Iran | 26.4627778 | 60.5741667 | 3316 | 1330 |
| Ornāg | city | Ostan-e Sistan va Baluchestan | Iran | 26.4627778 | 60.5741667 | 3316 | 1330 |
| Oshtorak | city | Ostan-e Sistan va Baluchestan | Iran | 30.9 | 61.7166667 | 1578 | 1261 |
| Oshtorak | city | Ostan-e Sistan va Baluchestan | Iran | 30.8333333 | 61.75 | 1597 | 866 |
| Otan | city | Ostan-e Sistan va Baluchestan | Iran | 26.4608333 | 61.2636111 | 2171 | 1330 |
| Otān | city | Ostan-e Sistan va Baluchestan | Iran | 26.4608333 | 61.2636111 | 2171 | 1330 |
| Owking | city | Ostan-e Sistan va Baluchestan | Iran | 26.5858333 | 60.0211111 | 4071 | 1327 |
| Owkīng | city | Ostan-e Sistan va Baluchestan | Iran | 26.5858333 | 60.0211111 | 4071 | 1327 |
| Owra'i | city | Ostan-e Sistan va Baluchestan | Iran | 25.6261111 | 60.9888889 | 104 | 1335 |
| Owra'ī | city | Ostan-e Sistan va Baluchestan | Iran | 25.6261111 | 60.9888889 | 104 | 1335 |
| Owrang | city | Ostan-e Sistan va Baluchestan | Iran | 26.4627778 | 60.5741667 | 3316 | 1330 |