| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| `Obeyd | city | Khuzestan | Iran | 32.13 | 48.20 | 226 | 19161 |
| `Obeyd | city | Khuzestan | Iran | 31.71 | 48.02 | 52 | 2682 |
| `Obeyd | city | Khuzestan | Iran | 31.65 | 48.73 | 101 | 8528 |
| `Obeyd Gate` | city | Khuzestan | Iran | 31.66 | 48.03 | 55 | 2682 |
| `Obeyd-e Gate` | city | Khuzestan | Iran | 31.56 | 48.03 | 39 | 2682 |
| `Obeydeh Sahra | city | Qazvin | Iran | 36.12 | 50.59 | 5869 | 17105 |
| `Obeyyat | city | Khuzestan | Iran | 31.71 | 48.02 | 52 | 2682 |
| `Obeyyat-e Bozorg | city | Khuzestan | Iran | 31.71 | 48.01 | 39 | 2682 |
| `Obeyyat-e Fenikhi | city | Khuzestan | Iran | 31.71 | 48.01 | 39 | 2682 |
| `Obud-e Ka`b `Omeyr | city | Khuzestan | Iran | 31.74 | 48.51 | 118 | 9685 |
| `Oliar Kandi | city | Azarbayjan-e Gharbi | Iran | 36.93 | 46.24 | 4307 | 16654 |
| `Olunabad | city | Esfahan | Iran | 32.82 | 52.52 | 7057 | 9834 |
| `Olvi Kala | city | Mazandaran | Iran | 36.56 | 51.90 | -1689 | 17306 |
| `Olvi Kola | city | Mazandaran | Iran | 36.67 | 51.40 | -1689 | 22262 |
| `Olya | city | Fars | Iran | 30.00 | 52.82 | 5232 | 20423 |
| `Olya | city | Fars | Iran | 29.70 | 53.86 | 5255 | 737 |
| `Olya Arz | city | Tehran | Iran | 35.49 | 52.17 | 5029 | 911 |
| `Olya Nadahi | city | Khorasan-e Shomali | Iran | 37.01 | 56.31 | 3398 | 1788 |
| `Olya' | city | Tehran | Iran | 35.19 | 51.75 | 2696 | 28462 |
| `Olya-ye Now | city | Fars | Iran | 29.70 | 53.86 | 5255 | 737 |
| `Olyaabad | city | Markazi | Iran | 35.28 | 50.51 | 4189 | 1341 |
| `Olyaabad | city | Markazi | Iran | 35.27 | 50.50 | 4189 | 1341 |
| `Olyaabad | city | Esfahan | Iran | 32.22 | 51.63 | 5869 | 894 |
| `Olyajeh | city | Azarbayjan-e Sharqi | Iran | 37.33 | 48.09 | 5869 | 2533 |
| `Omad | city | Khorasan-e Jonubi | Iran | 33.06 | 59.70 | 6020 | 596 |
| `Omar | city | Bushehr | Iran | 28.86 | 51.29 | 173 | 3244 |
| `Omar | city | Khuzestan | Iran | 32.23 | 48.23 | 236 | 70937 |
| `Omar | city | Sistan va Baluchestan | Iran | 30.77 | 60.53 | 4189 | 149 |
| `Omar | city | Khorasan-e Razavi | Iran | 34.35 | 59.70 | 4189 | 1341 |
| `Omar Bazar | city | Sistan va Baluchestan | Iran | 25.67 | 61.33 | 75 | 745 |
| `Omar Dil | city | Markazi | Iran | 34.25 | 50.31 | 5869 | 1426 |
| `Omar Hut | city | Sistan va Baluchestan | Iran | 25.67 | 61.08 | 78 | 745 |
| `Omar Mel | city | Kermanshah | Iran | 34.37 | 47.03 | 4340 | 113259 |
| `Omar Pel | city | Kermanshah | Iran | 34.37 | 47.03 | 4340 | 113259 |
| `Omar Shah | city | Sistan va Baluchestan | Iran | 30.74 | 61.41 | 1669 | 5066 |
| `Omar Yaser | city | Qom | Iran | 34.65 | 50.91 | 3349 | 157410 |
| `Omar-e Bagh | city | Sistan va Baluchestan | Iran | 25.72 | 61.05 | 95 | 745 |
| `Omar-e Buq | city | Sistan va Baluchestan | Iran | 25.72 | 61.05 | 95 | 745 |
| `Omarabad | city | Azarbayjan-e Gharbi | Iran | 37.74 | 44.71 | 5029 | 6109 |
| `Omarabad | city | Azarbayjan-e Gharbi | Iran | 37.92 | 44.86 | 6059 | 6109 |
| `Omarabad | city | Hamadan | Iran | 35.09 | 49.25 | 5269 | 7247 |
| `Omarabad | city | Markazi | Iran | 34.17 | 50.06 | 5869 | 9983 |
| `Omari | city | Khorasan-e Jonubi | Iran | 32.29 | 59.35 | 6709 | 547 |
| `Omari | city | Bushehr | Iran | 28.51 | 51.10 | 52 | 1921 |
| `Omari | city | Khorasan-e Jonubi | Iran | 32.26 | 58.89 | 4189 | 596 |
| `Omariyeh | city | Mazandaran | Iran | 36.80 | 50.84 | 36 | 29764 |
| `Omarlu | city | Gilan | Iran | 36.77 | 49.98 | 7870 | 4876 |
| `Omarshal | city | Kordestan | Iran | 36.05 | 45.89 | 5869 | 28589 |
| `Omeyr | city | Khuzestan | Iran | 31.24 | 48.62 | 26 | 26671 |
| `Omeyreh | city | Khuzestan | Iran | 31.24 | 48.62 | 26 | 26671 |
| `Omeyshiyeh-ye Bozorg | city | Khuzestan | Iran | 31.16 | 48.51 | 68 | 21945 |
| `Omeyshiyeh-ye Kuchek | city | Khuzestan | Iran | 31.07 | 48.56 | 55 | 9685 |
| `Omidabad Molla Ebrahim | city | Khorasan-e Jonubi | Iran | 32.81 | 59.90 | 6994 | 596 |
| `Omidabad Vosta | city | Khorasan-e Jonubi | Iran | 32.81 | 59.90 | 6994 | 596 |
| `Omidabad-e Bala | city | Khorasan-e Jonubi | Iran | 32.80 | 59.89 | 7549 | 596 |
| `Omidabad-e Pa'in | city | Khorasan-e Jonubi | Iran | 32.81 | 59.91 | 6709 | 596 |
| `Omidabad-e Qazi | city | Khorasan-e Jonubi | Iran | 32.80 | 59.90 | 7043 | 596 |
| `Omidabad-e Sofla | city | Khorasan-e Jonubi | Iran | 32.81 | 59.91 | 6709 | 596 |
| `Omidabad-e `Olya | city | Khorasan-e Jonubi | Iran | 32.80 | 59.89 | 7549 | 596 |
| `Omisheh | city | Khuzestan | Iran | 31.07 | 48.56 | 55 | 9685 |
| `Omisheh-ye Kuchek | city | Khuzestan | Iran | 31.07 | 48.56 | 55 | 9685 |
| `Omleh Teymur | city | Khuzestan | Iran | 32.18 | 48.28 | 259 | 92172 |
| `Omman | city | Hamadan | Iran | 35.33 | 49.11 | 5869 | 4768 |
| `Ommani | city | Hormozgan | Iran | 27.26 | 52.96 | 160 | 596 |
| `Ommushiyeh-ye Bozorg | city | Khuzestan | Iran | 31.16 | 48.51 | 68 | 21945 |
| `Ommushiyeh-ye Kuchek | city | Khuzestan | Iran | 31.07 | 48.56 | 55 | 9685 |
| `Omowshiyeh-ye Bozorg | city | Khuzestan | Iran | 31.16 | 48.51 | 68 | 21945 |
| `Omowshiyeh-ye Kuchek | city | Khuzestan | Iran | 31.07 | 48.56 | 55 | 9685 |
| `Omrabad | city | Hamadan | Iran | 35.09 | 49.25 | 5269 | 7247 |
| `Omrak | city | Markazi | Iran | 34.83 | 49.68 | 5869 | 2086 |
| `Omran | city | Iran | 39.51 | 47.56 | 396 | 5493 | |
| `Omran | city | Mazandaran | Iran | 36.79 | 50.70 | 2509 | 7666 |
| `Omran Kandi | city | Azarbayjan-e Sharqi | Iran | 37.36 | 46.67 | 6099 | 3616 |
| `Omranabad | city | Ardabil | Iran | 39.48 | 47.60 | 830 | 5594 |
| `Omranabad | city | Azarbayjan-e Sharqi | Iran | 39.06 | 47.16 | 3349 | 4147 |
| `Omranarad | city | Ardabil | Iran | 39.59 | 47.75 | 209 | 4926 |
| `Omrani | city | Khorasan-e Razavi | Iran | 34.47 | 58.75 | 3349 | 2777 |
| `Omrani | city | Khorasan-e Razavi | Iran | 34.56 | 58.71 | 3349 | 1043 |
| `Omrani | city | Kerman | Iran | 31.03 | 56.59 | 7549 | 1185 |
| `Omri | city | Khorasan-e Jonubi | Iran | 32.29 | 59.35 | 6709 | 547 |
| `Omrudu'iyeh | city | Kerman | Iran | 28.59 | 56.86 | 7549 | 1341 |
| `Omshiyeh-ye Kuchek | city | Khuzestan | Iran | 31.07 | 48.56 | 55 | 9685 |
| `Omudiyeh | city | Khuzestan | Iran | 31.29 | 49.19 | 157 | 26752 |
| `Omur | city | Khuzestan | Iran | 31.05 | 49.30 | 118 | 14754 |
| `Onj-e Bala | city | Khorasan-e Razavi | Iran | 33.57 | 57.39 | 4517 | 224 |
| `Onj-e Pa'in | city | Khorasan-e Razavi | Iran | 33.58 | 57.41 | 4189 | 259 |
| `Onj-e Sofla | city | Khorasan-e Razavi | Iran | 33.58 | 57.41 | 4189 | 259 |
| `Onj-e `Olya | city | Khorasan-e Razavi | Iran | 33.57 | 57.39 | 4517 | 224 |
| `Onsorud | city | Azarbayjan-e Sharqi | Iran | 37.82 | 46.31 | 7549 | 20720 |
| `Oqleh | city | Khuzestan | Iran | 30.77 | 49.09 | 49 | 2831 |
| `Orban | city | Khorasan-e Jonubi | Iran | 32.60 | 59.42 | 6837 | 596 |
| `Orf | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.52 | 51.00 | 4399 | 4023 |
| `Orfi | city | Khorasan-e Razavi | Iran | 36.13 | 59.52 | 5029 | 5347 |
| `Orian | city | Khorasan-e Razavi | Iran | 35.76 | 57.53 | 5029 | 1788 |
| `Orsu'iyeh | city | Kerman | Iran | 28.44 | 56.37 | 3592 | 1341 |
| `Oryan | city | Lorestan | Iran | 33.46 | 48.32 | 4189 | 99959 |
| `Oryan | city | Khorasan-e Razavi | Iran | 35.28 | 59.25 | 4370 | 43475 |
| `Oryan | city | Khorasan-e Razavi | Iran | 35.76 | 57.53 | 5029 | 1788 |
| `Oryan Tapeh | city | Azarbayjan-e Sharqi | Iran | 38.70 | 45.67 | 5029 | 2827 |
| `Oryan Tappeh | city | Azarbayjan-e Sharqi | Iran | 38.70 | 45.67 | 5029 | 2827 |
| `Oseyf | city | Khuzestan | Iran | 30.98 | 49.30 | 49 | 230 |
| `Oshaq | city | Hamadan | Iran | 34.55 | 48.66 | 7549 | 5364 |
| `Oshshaq | city | Hamadan | Iran | 34.55 | 48.66 | 7549 | 5364 |
| `Oshshaqi-ye Gol | city | Markazi | Iran | 33.81 | 50.11 | 6709 | 4023 |
| `Oshvand | city | Hamadan | Iran | 34.20 | 48.47 | 6709 | 14452 |
| `Oshveh | city | Khuzestan | Iran | 31.45 | 48.42 | 95 | 9685 |
| `Osman | city | Kermanshah | Iran | 34.37 | 45.94 | 2509 | 17217 |
| `Osman | city | Kordestan | Iran | 36.00 | 47.05 | 6223 | 2682 |
| `Osman Bazar | city | Sistan va Baluchestan | Iran | 25.65 | 60.98 | 95 | 745 |
| `Osman Darreh | city | Kordestan | Iran | 35.03 | 47.22 | 6076 | 4760 |
| `Osman Kola | city | Mazandaran | Iran | 36.51 | 51.23 | 3605 | 4768 |
| `Osman Owlan | city | Azarbayjan-e Gharbi | Iran | 36.89 | 46.60 | 6128 | 3427 |
| `Osman Sara | city | Mazandaran | Iran | 36.67 | 51.16 | 88 | 18535 |
| `Osman Ulan | city | Azarbayjan-e Gharbi | Iran | 36.89 | 46.60 | 6128 | 3427 |
| `Osmanabad | city | Golestan | Iran | 36.96 | 54.57 | 49 | 19603 |
| `Osmanabad | city | Kordestan | Iran | 35.98 | 45.91 | 5118 | 50025 |
| `Osmanabad | city | Azarbayjan-e Gharbi | Iran | 36.70 | 45.18 | 4563 | 27412 |
| `Osmanabad | city | Azarbayjan-e Gharbi | Iran | 36.69 | 45.19 | 4511 | 24856 |
| `Osmanabad | city | Azarbayjan-e Gharbi | Iran | 36.19 | 45.53 | 3349 | 19473 |
| `Osmanabad | city | Sistan va Baluchestan | Iran | 26.47 | 59.44 | 2509 | 596 |
| `Osmanlu | city | Fars | Iran | 30.03 | 51.36 | 4189 | 298 |
| `Osmavandan | city | Gilan | Iran | 37.16 | 49.39 | 173 | 8381 |
| `Oteysh | city | Khuzestan | Iran | 30.91 | 48.67 | 13 | 3725 |
| `Oveyfi | city | Khuzestan | Iran | 30.98 | 49.10 | 26 | 3737 |
| `Owd Molla | city | Lorestan | Iran | 33.65 | 48.76 | 6158 | 2682 |
| `Owdeh | city | Khuzestan | Iran | 30.72 | 49.49 | 65 | 19383 |
| `Owdeh | city | Khuzestan | Iran | 31.28 | 49.13 | 137 | 26671 |
| `Owdeh | city | Khuzestan | Iran | 31.62 | 48.57 | 88 | 9685 |
| `Owdeh-ye Pa'in | city | Khuzestan | Iran | 30.72 | 49.49 | 65 | 19383 |
| `Owdeh-ye Sofla | city | Khuzestan | Iran | 30.72 | 49.49 | 65 | 19383 |
| `Owl Molla | city | Lorestan | Iran | 33.65 | 48.76 | 6158 | 2682 |
| `Owniyeh-ye Kuchek | city | Khuzestan | Iran | 31.86 | 48.36 | 160 | 9681 |
| `Owraki | city | Sistan va Baluchestan | Iran | 25.72 | 60.94 | 114 | 745 |
| `Owraki | city | Sistan va Baluchestan | Iran | 25.73 | 60.93 | 111 | 745 |
| `Ozayyeb | city | Khuzestan | Iran | 32.13 | 48.43 | 131 | 41001 |
| `Ozeybi | city | Khuzestan | Iran | 31.29 | 48.28 | 72 | 9685 |
| `Ozeybi | city | Khuzestan | Iran | 31.28 | 48.26 | 75 | 9685 |