| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oep'an | city | Cholla-namdo | Korea, Republic of (South) | 34.89 | 127.15 | 393 | 6025 |
| Oep'an-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.45 | 125.35 | 154 | 28583 |
| Oep'o | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.86 | 126.27 | 170 | 6866 |
| Oep'o | city | Kyongsang-namdo | Korea, Republic of (South) | 34.94 | 128.72 | 3 | 27439 |
| Oep'o-ri | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.70 | 126.40 | 32 | 6686 |
| Oep'o-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.86 | 126.27 | 170 | 6866 |
| Oep'o-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.94 | 128.72 | 3 | 27439 |
| Oep'yong | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.46 | 126.55 | 839 | 6022 |
| Oep'yong | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.26 | 126.52 | 538 | 7301 |
| Oep'yong | city | Cholla-namdo | Korea, Republic of (South) | 34.67 | 126.93 | 669 | 9684 |
| Oep'yong | city | Cholla-namdo | Korea, Republic of (South) | 34.66 | 126.91 | 692 | 9664 |
| Oep'yong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.20 | 129.07 | 1023 | 13954 |
| Oep'yong-dong | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 41.13 | 126.62 | 1955 | 7599 |
| Oep'yong-ni | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.88 | 127.41 | 590 | 23560 |
| Oep'yong-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.41 | 127.52 | 249 | 9247 |
| Oepa | city | Indonesia | 1.67 | 128.02 | 0 | 1237 | |
| Oepah | city | Daerah Istimewa Aceh | Indonesia | 4.37 | 98.10 | 39 | 37072 |
| Oepak | city | Daerah Istimewa Aceh | Indonesia | 4.37 | 98.10 | 39 | 37072 |
| Oepang | city | Indonesia | -2.73 | 104.95 | 3 | 8699 | |
| Oepauk | city | Propinsi Nusa Tenggara Timur | Indonesia | -9.16 | 124.71 | 935 | 5518 |
| Oepauk | city | East Timor | -9.00 | 125.04 | 2050 | 10092 | |
| Oepauk | city | East Timor | -9.37 | 124.33 | 1181 | 5787 | |
| Oepfershausen | city | Freistaat Thuringen | Germany | 50.65 | 10.25 | 1371 | 3616 |
| Oepin | city | Indonesia | -2.93 | 129.18 | 3 | 1454 | |
| Oepo | city | East Timor | -9.07 | 125.26 | 4317 | 5215 | |
| Oepo-ri | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.70 | 126.40 | 32 | 6686 |
| Oepoko | city | East Timor | -9.24 | 124.35 | 1879 | 7614 | |
| Oepoli | city | Propinsi Nusa Tenggara Timur | Indonesia | -9.35 | 124.04 | 9 | 1187 |
| Oepping | city | Bundesland Oberosterreich | Austria | 48.60 | 13.93 | 1906 | 6062 |
| Oepping | city | Bundesland Niederosterreich | Austria | 48.23 | 16.02 | 744 | 7483 |
| Oeppol | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.80 | 126.61 | 232 | 14785 |
| Oeptenggo | city | Indonesia | -2.88 | 132.37 | 2808 | 12638 | |
| Oepuah | city | East Timor | -9.24 | 124.36 | 1879 | 7838 | |
| Oepyeong-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.41 | 127.52 | 249 | 9247 |
| Oep’an | city | Cholla-namdo | Korea, Republic of (South) | 34.89 | 127.15 | 393 | 6025 |
| Oep’an-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.45 | 125.35 | 154 | 28583 |
| Oep’o | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.86 | 126.27 | 170 | 6866 |
| Oep’o | city | Kyongsang-namdo | Korea, Republic of (South) | 34.94 | 128.72 | 3 | 27439 |
| Oep’o-ri | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.70 | 126.40 | 32 | 6686 |
| Oep’o-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.86 | 126.27 | 170 | 6866 |
| Oep’o-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.94 | 128.72 | 3 | 27439 |
| Oep’yŏng | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.46 | 126.55 | 839 | 6022 |
| Oep’yŏng | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.26 | 126.52 | 538 | 7301 |
| Oep’yŏng | city | Cholla-namdo | Korea, Republic of (South) | 34.67 | 126.93 | 669 | 9684 |
| Oep’yŏng | city | Cholla-namdo | Korea, Republic of (South) | 34.66 | 126.91 | 692 | 9664 |
| Oep’yŏng | city | Kyongsang-bukto | Korea, Republic of (South) | 36.20 | 129.07 | 1023 | 13954 |
| Oep’yŏng-dong | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 41.13 | 126.62 | 1955 | 7599 |
| Oep’yŏng-ni | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.88 | 127.41 | 590 | 23560 |
| Oep’yŏng-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.41 | 127.52 | 249 | 9247 |