UpAlphabetical listing of Places in Chittagong
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Obayodpur | city | Chittagong | Bangladesh | 22.73 | 91.60 | 22 | 93376 |
| Ogaiyachari | city | Chittagong | Bangladesh | 22.61 | 92.15 | 62 | 30109 |
| Okhara | city | Chittagong | Bangladesh | 22.58 | 91.84 | 13 | 113624 |
| Okhāra | city | Chittagong | Bangladesh | 22.60 | 91.83 | 16 | 111397 |
| Okānyāra | city | Chittagong | Bangladesh | 22.28 | 91.93 | 22 | 278369 |
| Omtabangpara | city | Chittagong | Bangladesh | 21.77 | 92.23 | 9 | 41627 |
| Oompanyganj | city | Chittagong | Bangladesh | 22.87 | 91.28 | 19 | 89617 |
| Orpur | city | Chittagong | Bangladesh | 23.29 | 90.82 | 13 | 194850 |
| Oskhain | city | Chittagong | Bangladesh | 22.23 | 91.95 | 22 | 161453 |
| Oyamukhpara | city | Chittagong | Bangladesh | 22.33 | 92.20 | 177 | 32726 |
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