| Name | Population | Altitude | Latitude | Longitude | 
| Obok : | 
 | 69 m | 40°50'17.9" N | 129°11'20.4" E | 
| Oboktong : | 
 | 
 | 40°50'17.9" N | 129°11'20.4" E | 
| Obongdong : | 
 | 
 | 42°3'2.2" N | 129°22'1.2" E | 
| Obongni : | 
 | 
 | 40°50'17.9" N | 129°11'20.4" E | 
| Obongnodongjagu : | 
 | 
 | 42°31'9.8" N | 130°18'10.8" E | 
| Odaejillodongjagu : | 
 | 
 | 41°22'40.1" N | 129°46'15.6" E | 
| Odaejinni : | 
 | 
 | 41°22'40.1" N | 129°46'15.6" E | 
| Odaejinnodongjagu : | 
 | 
 | 41°22'40.1" N | 129°46'15.6" E | 
| Odaejin : | 
 | 10 m | 41°22'40.1" N | 129°46'15.6" E | 
| Odangdong : | 
 | 
 | 40°52'3.0" N | 129°25'1.2" E | 
| Odong : | 
 | 
 | 41°55'31.1" N | 129°1'1.2" E | 
| Odungchon : | 
 | 
 | 40°57'9.0" N | 129°9'25.2" E | 
| Oesimnijong : | 
 | 
 | 41°6'0.0" N | 129°10'58.8" E | 
| Ogumi : | 
 | 
 | 40°51'34.9" N | 129°11'13.2" E | 
| Ohadong : | 
 | 
 | 41°25'54.8" N | 129°37'26.4" E | 
| Ohangdong : | 
 | 
 | 41°46'0.1" N | 129°46'1.2" E | 
| Ohyangchon : | 
 | 
 | 41°20'53.2" N | 129°29'9.6" E | 
| Oingol : | 
 | 
 | 41°2'43.1" N | 129°20'60.0" E | 
| Ojaenggok : | 
 | 34 m | 41°37'5.2" N | 129°36'10.8" E | 
| Ojaenggol : | 
 | 
 | 41°37'5.2" N | 129°36'10.8" E | 
| Ojibau : | 
 | 379 m | 42°55'59.9" N | 129°54'0.0" E | 
| Ojondong : | 
 | 
 | 41°4'14.2" N | 129°25'44.4" E | 
| Ojonni : | 
 | 
 | 41°4'14.2" N | 129°25'44.4" E | 
| Okcholli : | 
 | 
 | 40°44'15.0" N | 129°5'27.6" E | 
| Okchondong : | 
 | 
 | 40°44'15.0" N | 129°5'27.6" E | 
| Okchonni : | 
 | 
 | 40°44'15.0" N | 129°5'27.6" E | 
| Okchundong : | 
 | 
 | 41°4'23.9" N | 129°34'44.4" E | 
| Okho : | 
 | 16 m | 40°50'30.8" N | 129°35'42.0" E | 
| Okokudo : | 
 | 
 | 41°3'9.0" N | 129°26'52.8" E | 
| Okpo : | 
 | 
 | 40°56'35.2" N | 129°22'12.0" E | 
| Oksandong : | 
 | 
 | 42°24'41.0" N | 129°55'58.8" E | 
| Oksodogi : | 
 | 675 m | 40°58'54.1" N | 129°35'2.4" E | 
| Oksodok : | 
 | 675 m | 40°58'54.1" N | 129°35'2.4" E | 
| Oksongdong : | 
 | 
 | 42°16'59.9" N | 129°37'58.8" E | 
| Oksudong : | 
 | 
 | 41°0'15.8" N | 129°14'31.2" E | 
| Oktaebong : | 
 | 
 | 41°1'0.1" N | 129°35'60.0" E | 
| Oktangdong : | 
 | 
 | 40°52'3.0" N | 129°25'1.2" E | 
| Oktong : | 
 | 
 | 41°9'56.9" N | 129°8'20.4" E | 
| Ollyang : | 
 | 692 m | 41°6'9.0" N | 129°34'51.6" E | 
| Omgwangdong : | 
 | 
 | 41°25'59.9" N | 129°25'58.8" E | 
| Omgwangni : | 
 | 
 | 41°25'59.9" N | 129°25'58.8" E | 
| Omhyanggol : | 
 | 
 | 41°26'29.0" N | 129°23'27.6" E | 
| Omhyangkol : | 
 | 
 | 41°26'29.0" N | 129°23'27.6" E | 
| Omodong : | 
 | 
 | 40°45'11.9" N | 129°11'2.4" E | 
| Omogol : | 
 | 
 | 40°45'11.9" N | 129°11'2.4" E | 
| Omsong : | 
 | 
 | 42°57'25.9" N | 129°59'34.8" E | 
| Onbori : | 
 | 
 | 41°39'32.0" N | 129°31'37.2" E | 
| Oncholli : | 
 | 
 | 41°2'24.0" N | 129°21'3.6" E | 
| Onchondong : | 
 | 
 | 42°0'5.0" N | 129°17'34.8" E | 
| Onchonni : | 
 | 
 | 42°0'5.0" N | 129°17'34.8" E | 
| Ondaejilli : | 
 | 
 | 41°34'10.9" N | 129°39'36.0" E | 
| Ondaejinni : | 
 | 
 | 41°34'10.9" N | 129°39'36.0" E | 
| Ondaejin : | 
 | 13 m | 41°34'10.9" N | 129°39'36.0" E | 
| Ongdodong : | 
 | 
 | 40°51'0.0" N | 129°39'0.0" E | 
| Ongnarukaekkol : | 
 | 
 | 42°25'14.9" N | 129°52'48.0" E | 
| Ongnyondong : | 
 | 
 | 40°54'27.0" N | 129°23'16.8" E | 
| Ongoarukaekkol : | 
 | 
 | 42°25'14.9" N | 129°52'48.0" E | 
| Ongpo : | 
 | 
 | 40°57'31.0" N | 129°16'15.6" E | 
| Ongsandong : | 
 | 
 | 41°57'41.0" N | 129°51'25.2" E | 
| Onjo : | 
 | 
 | 42°57'25.9" N | 129°59'34.8" E | 
| Onsendo : | 
 | 
 | 42°0'5.0" N | 129°17'34.8" E | 
| Onsong (Onsong) : | 19 806 | 84 m | 42°57'25.9" N | 129°59'34.8" E | 
| Onsongup : | 
 | 
 | 42°57'25.9" N | 129°59'34.8" E | 
| Onsupyong : | 
 | 
 | 41°0'5.0" N | 129°12'57.6" E | 
| Ontaishin : | 
 | 
 | 41°34'10.9" N | 129°39'36.0" E | 
| Ontallodongjagu : | 
 | 
 | 42°56'3.1" N | 129°58'12.0" E | 
| Ontannodongjagu : | 
 | 
 | 42°56'3.1" N | 129°58'12.0" E | 
| Ooktong : | 
 | 
 | 42°31'59.9" N | 130°1'1.2" E | 
| Opokdong : | 
 | 
 | 40°50'17.9" N | 129°11'20.4" E | 
| Opongni : | 
 | 
 | 40°50'17.9" N | 129°11'20.4" E | 
| Orang : | 
 | 6 m | 41°26'52.1" N | 129°39'21.6" E | 
| Orangup : | 
 | 
 | 41°26'52.1" N | 129°39'21.6" E | 
| Oripyong : | 
 | 
 | 40°53'21.1" N | 129°37'51.6" E | 
| Oryongdong : | 
 | 
 | 42°19'0.1" N | 129°24'0.0" E | 
| Oryong : | 
 | 
 | 42°30'42.1" N | 130°2'9.6" E | 
| Oryudong : | 
 | 
 | 41°31'59.9" N | 129°37'58.8" E | 
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