| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oeo | city | Gyeongnam | Korea, Republic of (South) | 35.76 | 127.90 | 915 | 7521 |
| Oeo | city | Gyeongbuk | Korea, Republic of (South) | 35.91 | 128.48 | 173 | 64776 |
| Oeoch'on | city | Korea, Republic of (South) | 35.77 | 127.50 | 1669 | 4659 | |
| Oeoch’on | city | Korea, Republic of (South) | 35.77 | 127.50 | 1669 | 4659 | |
| Oeodong | city | Chungbuk | Korea, Republic of (South) | 36.17 | 127.95 | 830 | 4331 |
| Oeoe | city | Gyeongbuk | Korea, Republic of (South) | 35.83 | 129.17 | 157 | 38123 |
| Oeogok | city | Chungbuk | Korea, Republic of (South) | 36.17 | 127.95 | 830 | 4331 |
| Oeogol | city | Chungbuk | Korea, Republic of (South) | 36.17 | 127.95 | 830 | 4331 |
| Oeongch'i | city | Gangwon | Korea, Republic of (South) | 38.18 | 128.61 | 0 | 12012 |
| Oeongch'i-ri | city | Gangwon | Korea, Republic of (South) | 38.18 | 128.61 | 0 | 12012 |
| Oeongchiri | city | Gangwon | Korea, Republic of (South) | 38.18 | 128.61 | 0 | 12012 |
| Oeongch’i | city | Gangwon | Korea, Republic of (South) | 38.18 | 128.61 | 0 | 12012 |
| Oeongch’i-ri | city | Gangwon | Korea, Republic of (South) | 38.18 | 128.61 | 0 | 12012 |
| Oeongnyu | city | Gyeongbuk | Korea, Republic of (South) | 36.48 | 129.30 | 912 | 0 |
| Oeori | city | Gangwon | Korea, Republic of (South) | 38.30 | 127.23 | 830 | 7995 |
| Oeoryu | city | Chungnam | Korea, Republic of (South) | 36.68 | 127.17 | 364 | 35738 |
| Oeoso-ri | city | Seoul | Korea, Republic of (South) | 37.54 | 126.80 | 42 | 1001346 |