| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| O-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.85 | 127.49 | 3 | 65019 |
| Obong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.20 | 128.35 | 82 | 25454 |
| Obong-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.76 | 127.23 | 160 | 18705 |
| Och'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.58 | 127.04 | 790 | 8697 |
| Och’on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.58 | 127.04 | 790 | 8697 |
| Odaep'yong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.30 | 128.13 | 731 | 5811 |
| Oe-ch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.55 | 128.97 | 59 | 119812 |
| Oe-ch’on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.55 | 128.97 | 59 | 119812 |
| Oe-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.60 | 126.73 | 2139 | 6431 |
| Oe-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.71 | 126.91 | 1466 | 7450 |
| Oedokp'yong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.22 | 127.02 | 1469 | 8748 |
| Oedŏgi-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.33 | 127.80 | 1384 | 6433 |
| Oedŏkp’yŏng | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.22 | 127.02 | 1469 | 8748 |
| Oegumi | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.13 | 128.47 | 0 | 20715 |
| Oemul-li | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.47 | 128.92 | 6 | 23448 |
| Oeryongmi-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.37 | 127.55 | 0 | 6417 |
| Oesandu | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.66 | 128.78 | 2175 | 8324 |
| Oesolmal | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.84 | 127.67 | 91 | 216038 |
| Oesŏng | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.68 | 127.13 | 475 | 7450 |
| Oga-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.55 | 127.52 | 22 | 16650 |
| Ogu | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.31 | 128.27 | 295 | 5811 |
| Ogu | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.65 | 126.85 | 721 | 7430 |
| Ogu-ch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.38 | 128.72 | 826 | 13673 |
| Ogu-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.75 | 126.83 | 1272 | 6432 |
| Oguch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.51 | 128.79 | 505 | 8408 |
| Ogyon-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.76 | 128.67 | 3457 | 7301 |
| Oho | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.48 | 126.89 | 1151 | 7450 |
| Oil-li | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.18 | 128.60 | 0 | 16512 |
| Oin-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.49 | 128.31 | 1469 | 5813 |
| Ojang-ch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.41 | 128.86 | 9 | 8876 |
| Ojang-ch’on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.41 | 128.86 | 9 | 8876 |
| Okchang-ch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.68 | 128.63 | 1079 | 7308 |
| Okchang-ch’on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.68 | 128.63 | 1079 | 7308 |
| Okhodŏgi | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.84 | 127.47 | 3638 | 7387 |
| Okhodŏk | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.84 | 127.47 | 3638 | 7387 |
| Okhwach'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.34 | 128.02 | 925 | 5811 |
| Okhwach’on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.34 | 128.02 | 925 | 5811 |
| Okkae-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 41.02 | 128.67 | 4639 | 5368 |
| Okkae-kol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 41.02 | 128.67 | 4639 | 5368 |
| Okkan-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.52 | 127.49 | 4635 | 7410 |
| Okp'o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.36 | 128.72 | 72 | 12848 |
| Okp'o-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.45 | 127.19 | 98 | 31821 |
| Okp'o-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 41.02 | 128.67 | 4639 | 5368 |
| Okp'o-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 41.02 | 128.67 | 4639 | 5368 |
| Okp’o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.36 | 128.72 | 72 | 12848 |
| Okp’o-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 41.02 | 128.67 | 4639 | 5368 |
| Okp’o-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.45 | 127.19 | 98 | 31821 |
| Okp’o-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 41.02 | 128.67 | 4639 | 5368 |
| Oksan-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.52 | 126.73 | 2778 | 6794 |
| Oksu-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.58 | 128.82 | 482 | 7984 |
| Okt'ae | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.30 | 128.05 | 2447 | 5811 |
| Oktong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.97 | 127.73 | 780 | 70000 |
| Okt’ae | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.30 | 128.05 | 2447 | 5811 |
| Olchong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.90 | 128.85 | 3533 | 11026 |
| Omae-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.12 | 128.32 | 26 | 30407 |
| Omch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.52 | 127.24 | 6 | 28338 |
| Omch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.96 | 127.73 | 780 | 70001 |
| Omch’on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.96 | 127.73 | 780 | 70001 |
| Omong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.43 | 128.88 | 45 | 9813 |
| Omso-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.31 | 128.12 | 524 | 5811 |
| Onae-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.13 | 127.87 | 364 | 12722 |
| Ondogarae | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.71 | 127.24 | 127 | 18220 |
| Onggi-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.90 | 127.71 | 475 | 70513 |
| Onggijŏm | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.93 | 127.86 | 223 | 35629 |
| Ongnyŏn-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.76 | 128.67 | 3457 | 7301 |
| Onjong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.52 | 127.36 | 6 | 26730 |
| Op'o-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.14 | 128.44 | 39 | 24094 |
| Op'o-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.39 | 3 | 24333 |
| Op'yong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.16 | 128.23 | 232 | 27700 |
| Op'yong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.72 | 128.48 | 1640 | 7301 |
| Op’o-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.14 | 128.44 | 39 | 24094 |
| Op’o-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.39 | 3 | 24333 |
| Op’yŏng-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.16 | 128.23 | 232 | 27700 |
| Ori-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.49 | 127.49 | 6 | 20772 |
| Ori-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.83 | 127.41 | 52 | 13898 |
| Oribol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.89 | 127.25 | 610 | 13477 |
| Orip'o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.39 | 6 | 24333 |
| Orip'yong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.35 | 128.26 | 426 | 5811 |
| Orip'yong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.87 | 127.41 | 32 | 13497 |
| Oripŏl | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.89 | 127.25 | 610 | 13477 |
| Orip’o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.39 | 6 | 24333 |
| Orip’yŏng | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.35 | 128.26 | 426 | 5811 |
| Orip’yŏng-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.87 | 127.41 | 32 | 13497 |
| Oro | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.02 | 127.45 | 59 | 11175 |
| Oro-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.02 | 127.45 | 59 | 11175 |
| Oro-ŭp | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.02 | 127.45 | 59 | 11175 |
| Oryongmi-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.37 | 127.55 | 0 | 6417 |
| Oryu-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.70 | 127.33 | 95 | 22063 |
| Orŭn-gol | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.59 | 127.22 | 42 | 17559 |
| Osamp'o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.87 | 128.93 | 3763 | 11026 |
| Osamp’o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.87 | 128.93 | 3763 | 11026 |
| Osang-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.72 | 127.36 | 6 | 22058 |
| Osang-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.17 | 127.52 | 259 | 7933 |
| Oun-dong | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.04 | 128.30 | 39 | 51197 |
| Oun-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.14 | 127.88 | 242 | 12540 |
| Oun-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.35 | 128.27 | 410 | 5811 |
| Ounch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.32 | 128.04 | 951 | 5811 |
| Oyomch'on | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.87 | 127.72 | 29 | 72184 |
| Oyommal | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.87 | 127.72 | 29 | 72184 |