| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| O-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3675 | 126.5544444 | 567 | 23973 |
| Oa-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4625 | 126.6519444 | 1141 | 23931 |
| Oam | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.5458333 | 126.275 | 1364 | 23903 |
| Obong-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7091667 | 126.1922222 | 626 | 66156 |
| Och'on | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7841667 | 125.6488889 | 45 | 61166 |
| Odong-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.6580556 | 126.1686111 | 643 | 24039 |
| Odu | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9580556 | 126.2544444 | 383 | 64581 |
| Odu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9458333 | 126.6438889 | 2007 | 25480 |
| Oduk-tong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4211111 | 126.0986111 | 469 | 23945 |
| Odŏng-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.6580556 | 126.1686111 | 643 | 24039 |
| Oe-kajong-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3638889 | 126.5008333 | 190 | 23973 |
| Oe-kajŏng-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3638889 | 126.5008333 | 190 | 23973 |
| Oeam-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4469444 | 126.2355556 | 354 | 23945 |
| Oech'i-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.8433333 | 126.4855556 | 2001 | 24543 |
| Oech'i-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.8322222 | 126.5119444 | 1669 | 23819 |
| Oech'u-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 39 | 126.7119444 | 761 | 23793 |
| Oegosan | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9527778 | 126.1475 | 406 | 85641 |
| Oegum-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.8033333 | 126.5286111 | 1102 | 23819 |
| Oegun | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3236111 | 126.061111 | 380 | 23987 |
| Oegŏsan | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9527778 | 126.1475 | 406 | 85641 |
| Oegŭm-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.8033333 | 126.5286111 | 1102 | 23819 |
| Oegŭn | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3236111 | 126.061111 | 380 | 23987 |
| Oemajang | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7838889 | 125.6183333 | 39 | 86967 |
| Oemunnemi | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2561111 | 126.1769444 | 301 | 24164 |
| Ogu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9466667 | 126.9219444 | 1145 | 22871 |
| Ogya-gol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.0252778 | 126.4180556 | 141 | 28607 |
| Ogya-kol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.0252778 | 126.4180556 | 141 | 28607 |
| Oin-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.165 | 126.5036111 | 200 | 24677 |
| Ojong-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3694444 | 126.0202778 | 390 | 23973 |
| Ojong-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.34 | 125.8675 | 206 | 24142 |
| Ojŏng-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3694444 | 126.0202778 | 390 | 23973 |
| Ojŏng-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.34 | 125.8675 | 206 | 24142 |
| Ok-kol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.22 | 126.3244444 | 104 | 26443 |
| Ok-tong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2416667 | 126.1441667 | 236 | 25048 |
| Okch'ol-li | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.1861111 | 126.4558333 | 111 | 25364 |
| Okch'on-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.1861111 | 126.4558333 | 111 | 25364 |
| Okch'ŏl-li | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.1861111 | 126.4558333 | 111 | 25364 |
| Okch'ŏn-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.1861111 | 126.4558333 | 111 | 25364 |
| Okho-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9455556 | 126.8780556 | 1610 | 23374 |
| Okhyol-li | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3627778 | 125.7311111 | 223 | 27387 |
| Okhyon-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3627778 | 125.7311111 | 223 | 27387 |
| Okhyŏl-li | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3627778 | 125.7311111 | 223 | 27387 |
| Okhyŏn-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3627778 | 125.7311111 | 223 | 27387 |
| Okkogae | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2133333 | 126.4447222 | 141 | 24258 |
| Omak-tong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7661111 | 126.6797222 | 508 | 23833 |
| Oman-gol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.1477778 | 126.6041667 | 580 | 26910 |
| Omok-tong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3175 | 126.6258333 | 255 | 23987 |
| Omsu | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4361111 | 125.7247222 | 16 | 25902 |
| Ong-gol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3152778 | 126.0625 | 387 | 23987 |
| Ongam-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4308333 | 126.65 | 597 | 23945 |
| Ongam-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4308333 | 126.65 | 597 | 23945 |
| Ongch'on | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3577778 | 125.7169444 | 114 | 27387 |
| Ongjom-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3975 | 125.8258333 | 78 | 23959 |
| Ongjŏm-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3975 | 125.8258333 | 78 | 23959 |
| Ongnyon-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7483333 | 126.5527778 | 574 | 23847 |
| Ongnyŏn-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7483333 | 126.5527778 | 574 | 23847 |
| Onmol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2947222 | 126.2936111 | 282 | 23987 |
| Oppau | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4613889 | 125.9202778 | 137 | 23931 |
| Ori-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4588889 | 126.4633333 | 334 | 23931 |
| Origae | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7138889 | 126.6075 | 810 | 23847 |
| Orimok | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7708333 | 125.635 | 85 | 61166 |
| Orip'o | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7138889 | 126.6075 | 810 | 23847 |
| Orip'o-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7138889 | 126.6075 | 810 | 23847 |
| Orumdal | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.5736111 | 126.6547222 | 1095 | 23646 |
| Oryong-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7594444 | 125.6819444 | 36 | 41906 |
| Oryong-kol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.8136111 | 126.9641667 | 1961 | 15110 |
| Oryu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7541667 | 125.5941667 | 68 | 86967 |
| Oryu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.6813889 | 126.3980556 | 413 | 23861 |
| Oryu-gol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.5841667 | 126.2158333 | 770 | 23889 |
| Oryu-gol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.5533333 | 126.2508333 | 1003 | 23903 |
| Oryu-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.7541667 | 125.5941667 | 68 | 86967 |
| Oryu-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.9158333 | 126.7613889 | 570 | 23791 |
| Oryujong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2536111 | 125.9391667 | 334 | 24392 |
| Oryujŏng | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2536111 | 125.9391667 | 334 | 24392 |
| Osa-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3269444 | 125.8430556 | 200 | 25373 |
| Oso-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.5538889 | 126.5463889 | 620 | 23903 |
| Osu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4772222 | 125.8113889 | 62 | 23931 |
| Osu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2986111 | 125.9311111 | 269 | 23989 |
| Osu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2972222 | 125.9391667 | 301 | 23989 |
| Osu-nodongjagu | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4772222 | 125.8113889 | 62 | 23931 |
| Osu-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4772222 | 125.8113889 | 62 | 23931 |
| Ot'an-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3802778 | 125.7502778 | 239 | 24329 |
| Ot'an-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3808333 | 125.7686111 | 416 | 24329 |
| Ot'an-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.32 | 125.8461111 | 242 | 25373 |
| Oul-li | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4783333 | 126.2402778 | 656 | 23931 |
| Oun | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3261111 | 126.1133333 | 419 | 23987 |
| Oun-gol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.085 | 126.4319444 | 114 | 25743 |
| Oun-kol | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.085 | 126.4319444 | 114 | 25743 |
| Oun-ni | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4783333 | 126.2402778 | 656 | 23931 |
| Oya-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.6975 | 126.6983333 | 849 | 23741 |
| Oyami | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2136111 | 126.1494444 | 387 | 25048 |
| Oyang-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.8094444 | 126.8486111 | 1059 | 21830 |
| Oyong-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.6530556 | 126.094444 | 380 | 33338 |
| Oyu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2013889 | 126.7636111 | 1223 | 29397 |