Regions of North Korea
- Oyang-dong
- Oya-dong
- Owŏl-li
- Ŏusil
- Yŏul-gogae
- Ŏŭn-san
- Ŏŭl-li
- Ŏŭl-li
- Ŏŭl-li
- Ŏul-li
- Ŏŭn’gumi-ri
- Ŏŭn-gol
- Ŏŭn-dong
- Ŏŭn-dong
- Ŏŭn-dong
- Ŏŭl-tong
- Ŏu-ri
- Ŏŭl-li
- Ŏul-li
- Ot’al-li
- Ot’an-dong
- Osu-ri
- Ŏsu-dong
- Oso-ri
- Osŏng-san
- Osŏng-ni
- Osong-gol
- Osong-dong
- Ŏsŏng-gol
- Osong-dong
- Osŏn-dong
- Osŏk-san
- Osil-li
- Osarang-dong
- Osansang-ni
- Osal-li
- Osal-li
- Osal-li
- Osal-li
- Osal-li
- Osanjung-ni
- Osanha-ri
- Osang-ni
- Osan-dong
- O-san
- Osal-li
- Ŏsa-ch’ŏn
- Ŏsa
- Oryu-dong
- Oryu-ri
- Oryuji
- Oryu-gol
- Oryu-gol
- Oryu-dong
- Oryu-dong
- Oryu-dong
- Oryu-dong
- Ŏryongp’o
- Oryong-dong
- Oryong-ni
- Ŏryong-ni
- Ŏryong-ni
- Yongmi-ri
- Oryong
- Ŏryong-dong
- Oryong-dong
- Oryong-dong
- Ŏryong-yŏk
- Oryong
- Ŏryŏng
- Ŏryong
- Ŏrŭmdol
- Democratic People’s Republic of Korea
- Oriyŏul
- Oriumul
- Ori-san
- Orip’yŏng-ni
- Orip’o-ri
- Orip’o-ri
- Orimok
- Orijŏng
- Orijin
- Origol
- Ori-dong
- Ori-dong
- Ori-gol
- Ori-gol
- Oribau
- O-ri
- O-ri
- O-ri
- O-ri
- O-ri
- O-ri
- Ogol
- Ŏra-san
- Ora-ri
- Ŏrang-san
- Orang-ni
- Op’yŏng-dong
- Ŏp’yŏng
- Oppaemi-bong
- Op’o-ri
- Op’o-ri
- Ŏp’a-rodongjagu
- Ŏp’a
- Onnyang
- Onyang
- Onsu-ri
- Ŏnnae
- Ŏnmu
- Onme
- Onjŏng-nyŏng
- Onjŏng-nyŏng
- Onjŏng-ni
- Onjŏng-ni
- Onjŏng-ni
- Onjŏng-ni
- Onjŏng-dong
- Ŏnjŏng-do
- Ŏnjŏng
- Ŏnjin-san
- Onhŭng-ni
- Ongsŏng-dong
- Ongnyu-dong
- Ongnyŏn’gol
- Ongnyŏn-jŏsuji
- Ongnyŏ-bong
- Ongnyŏ-bong
- Ongnyŏ-bong
- Ongnyŏ-bong
- Ongno-bong
- Ong-ni
- Ong-ni
- Ongjŏm-ni
- Ongjŏm-dong
- Ongjŏmch’on
- Ongjin
- Ongjin-hang
- Ongjin-gun
- Ongjin
- Ongjang-dong
- Ongjang-dong
- Onggijŏm
- Onggijŏm
- Onggi-dong
- Tok-tong
- Ong-dong
- Ong-ch’on
- Yongam-dong
- Ong-am
- On’gam
- On-dong
- On-dong
- Ondol-p’o
- Onch’ŏn
- Onch’ŏl-li
- Onch’ŏn-gun
- Onch’ŏn-dong
- Yŏnan-onch’ŏn
- Onch’ŏl-li
- Onch’ŏl-li
- Onch’ae-ri
- Ŏnam
- Ŏmsu-gol
- Ŏm-sŏm
- Omong-ni
- Omok
- Ŏmnyang-dong
- Ŏmnamu-gol
- Ŏmjang-burak
- Ŏmihyŏn-yŏk
- Ŏmgyo-dong
- Ŏmguji
- Ŏmgon-ni
- Ome
- Ŏm-dong
- Ŏm-dong
- Oman-gol
- Ŏma-do
- Okto-ri
- Ŏktong-ni
- Ŏktong
- Oktŏng-ni
- Oktong-ni
- Ok-tong
- Ok-tong
- Ok-tong
- Ok-sŏm
- Ŏktaemul
- Ŏksok-tong
- Oksim-dong
- Oksan-dong
- Oksang-gol
- Oksan-dong
- Oksal-li
- Ok’pyŏng-dong
- Okp’yŏng-yŏk
- Okp’ok-tong
- Okpi-dong