| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Obairu | city | Ostan-e Khuzestan | Iran | 30.9811111 | 49.1536111 | 26 | 7365 |
| Obalik | city | Ostan-e Khorasan | Iran | 35.7308333 | 59.2872222 | 5853 | 2787 |
| Obalik Bala | city | Ostan-e Khorasan | Iran | 35.7308333 | 59.2872222 | 5853 | 2787 |
| Obalik Bāla | city | Ostan-e Khorasan | Iran | 35.7308333 | 59.2872222 | 5853 | 2787 |
| Obar | city | | Iran | 36.9180556 | 48.9647222 | 2329 | 6360 |
| Obeh -e `Ali Kahiha | city | | Iran | 35.2561111 | 52.4702778 | 2972 | 743 |
| Obeh -e ‘Ālī Kāhīhā | city | | Iran | 35.2561111 | 52.4702778 | 2972 | 743 |
| Obeh-e Elikahiha | city | | Iran | 35.2561111 | 52.4702778 | 2972 | 743 |
| Obeh-e Elīkāhīhā | city | | Iran | 35.2561111 | 52.4702778 | 2972 | 743 |
| Obhanur | city | Ostan-e Khuzestan | Iran | 30.6686111 | 49.2280556 | 45 | 7386 |
| Obhanūr | city | Ostan-e Khuzestan | Iran | 30.6686111 | 49.2280556 | 45 | 7386 |
| Obiresh | city | Ostan-e Khuzestan | Iran | 31.2530556 | 49.2602778 | 196 | 7340 |
| Oboskher | city | Ostan-e Khuzestan | Iran | 30.9655556 | 48.3638889 | 42 | 7365 |
| Obudehalis | city | Ostan-e Khuzestan | Iran | 30.8375 | 49.6188889 | 68 | 7372 |
| Oburang | city | | Iran | 28.7833333 | 56.8166667 | 8822 | 1568 |
| Obīresh | city | Ostan-e Khuzestan | Iran | 31.2530556 | 49.2602778 | 196 | 7340 |
| Obūdehālīs | city | Ostan-e Khuzestan | Iran | 30.8375 | 49.6188889 | 68 | 7372 |
|
|