| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| O-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1419444 | 125.6872222 | 1384 | 22862 |
| O-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.5941667 | 125.2383333 | 9 | 17316 |
| Obong-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7111111 | 124.6291667 | 13 | 20510 |
| Obong-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8613889 | 124.7361111 | 209 | 22960 |
| Obong-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3252778 | 125.1930556 | 1085 | 22806 |
| Obong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7111111 | 124.6291667 | 13 | 20510 |
| Obong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8613889 | 124.7361111 | 209 | 22960 |
| Obong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2791667 | 124.8236111 | 282 | 22820 |
| Obong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3252778 | 125.1930556 | 1085 | 22806 |
| Obong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9166667 | 125.2833333 | 209 | 22932 |
| Obong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8283333 | 125.8863889 | 200 | 23293 |
| Obong-nodongjagu | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8613889 | 124.7361111 | 209 | 22960 |
| Och'ang | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9041667 | 126.0313889 | 124 | 23268 |
| Och'on-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9602778 | 124.7305556 | 501 | 22918 |
| Och'ŏn-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9602778 | 124.7305556 | 501 | 22918 |
| Oe-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.0791667 | 126.055 | 688 | 22234 |
| Oedo-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6469444 | 125.2166667 | 6 | 21418 |
| Oeha-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1525 | 126.0283333 | 1138 | 18041 |
| Oeha-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8863889 | 124.5113889 | 42 | 22946 |
| Oejangdo | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.5327778 | 125.1361111 | 0 | 2400 |
| Oejuch'am | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.0422222 | 126.2219444 | 1574 | 11801 |
| Oekkot | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.5855556 | 125.3441667 | 13 | 21574 |
| Oen'gok | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6961111 | 125.36 | 108 | 23016 |
| Oesanbuk | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7991667 | 125.1761111 | 351 | 22974 |
| Oesang | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8736111 | 125.3697222 | 265 | 22960 |
| Oesang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1463889 | 125.9966667 | 1249 | 21376 |
| Oeso-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6944444 | 125.2763889 | 95 | 22795 |
| Oesorok | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.5986111 | 125.1502778 | 26 | 15944 |
| Ogu-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1308333 | 125.2030556 | 547 | 22862 |
| Oguch'am | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9866667 | 126.1169444 | 259 | 22918 |
| Ogya-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6480556 | 125.3872222 | 95 | 23030 |
| Ogya-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6480556 | 125.3872222 | 95 | 23030 |
| Oha-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8933333 | 126.0444444 | 393 | 23108 |
| Ohang | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.5111111 | 124.8405556 | 200 | 7457 |
| Ohang | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7175 | 125.3116667 | 311 | 23002 |
| Oho-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7358333 | 125.2755556 | 419 | 23002 |
| Ohung-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9883333 | 124.4486111 | 6 | 22800 |
| Ohyon | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9033333 | 125.1869444 | 351 | 22946 |
| Ohyon-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1047222 | 125.8013889 | 895 | 22876 |
| Ohyŏn | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9033333 | 125.1869444 | 351 | 22946 |
| Ohyŏn-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1047222 | 125.8013889 | 895 | 22876 |
| Ohŭng-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9883333 | 124.4486111 | 6 | 22800 |
| Oikkot | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.5855556 | 125.3441667 | 13 | 21574 |
| Oja-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2213889 | 125.6777778 | 882 | 20904 |
| Ojasang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2255556 | 125.6652778 | 1066 | 22304 |
| Ojok-tong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.22 | 124.5313889 | 39 | 54767 |
| Ojuk-tong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.22 | 124.5313889 | 39 | 54767 |
| Ojŭk-tong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.22 | 124.5313889 | 39 | 54767 |
| Ok-tong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8358333 | 126.0330556 | 803 | 25070 |
| Okchon | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9380556 | 124.5252778 | 26 | 22932 |
| Okchŏn | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9380556 | 124.5252778 | 26 | 22932 |
| Okhang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3166667 | 124.7333333 | 170 | 18310 |
| Okho-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8188889 | 125.0522222 | 390 | 22974 |
| Okhyon-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8125 | 125.5413889 | 98 | 22974 |
| Okhyŏn-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8125 | 125.5413889 | 98 | 22974 |
| Okkae | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6677778 | 125.4075 | 29 | 23016 |
| Okkang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3166667 | 124.7333333 | 170 | 18310 |
| Okkang-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3166667 | 124.7333333 | 170 | 18310 |
| Okukandon | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3166667 | 124.7333333 | 170 | 18310 |
| Oma-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1138889 | 125.7161111 | 1122 | 22876 |
| Omjang-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6891667 | 125.0538889 | 22 | 22870 |
| Omt'aegok | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9525 | 125.0561111 | 961 | 22932 |
| Onch'on | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Onch'on-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3227778 | 125.0625 | 915 | 22806 |
| Onch'on-nodongjiagu | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3227778 | 125.0625 | 915 | 22806 |
| Onch'ŏn | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Onch'ŏn-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3227778 | 125.0625 | 915 | 22806 |
| Onch'ŏn-nodongjiagu | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3227778 | 125.0625 | 915 | 22806 |
| Ong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3405556 | 124.85 | 915 | 22303 |
| Ongsong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9083333 | 125.5722222 | 137 | 22946 |
| Ongsŏng-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9083333 | 125.5722222 | 137 | 22946 |
| Onjong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7283333 | 125.2186111 | 75 | 23002 |
| Onjong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Onjong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8522222 | 125.9127778 | 351 | 22960 |
| Onjong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Onjŏng | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Onjŏng | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8522222 | 125.9127778 | 351 | 22960 |
| Onjŏng-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Onp'ung-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.3227778 | 125.0625 | 915 | 22806 |
| Onsei | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1119444 | 125.9008333 | 318 | 22876 |
| Oryong-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.8375 | 125.17 | 403 | 22960 |
| Oryong-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7666667 | 125.35 | 324 | 22988 |
| Oryong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7666667 | 125.35 | 324 | 22988 |
| Oryong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.5688889 | 125.5019444 | 659 | 19689 |
| Oryongp'o | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9005556 | 126.0544444 | 239 | 23108 |
| Oryu-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.77 | 125.2525 | 190 | 22988 |
| Oryu-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.1186111 | 125.8922222 | 321 | 22876 |
| Oryu-kol | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.77 | 125.2525 | 190 | 22988 |
| Osal-li | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6025 | 125.2933333 | 72 | 22572 |
| Osan-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6025 | 125.2933333 | 72 | 22572 |
| Osang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2261111 | 124.8425 | 836 | 22834 |
| Osang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2808333 | 125.0933333 | 1085 | 22820 |
| Osang-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2261111 | 124.8425 | 836 | 22834 |
| Osin-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.5452778 | 125.1744444 | 341 | 20502 |
| Osin-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.5452778 | 125.1744444 | 341 | 20502 |
| Oso-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7472222 | 124.9066667 | 16 | 20029 |
| Osong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6697222 | 125.3083333 | 108 | 22948 |
| Osŏng-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6697222 | 125.3083333 | 108 | 22948 |
| Oun-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.5705556 | 125.4436111 | 984 | 22700 |
| Oyong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.9005556 | 126.0544444 | 239 | 23108 |