Regions of Japan
- Rokujō
- Rokujizō
- Rokukō Zaki
- Rokugōmanzan
- Rokugō-chō
- Rokuban-misaki
- Rokko San
- Rokken’ya Gawa
- Rokken
- Rokkaku Gawa
- Rittō-shi
- Ritchō
- Rirukawa-yama
- Riemon
- Renjakuchō
- Reita Saki
- Reihoku Machi
- Ranzan Machi
- Rankin-kaku
- Ranjō
- Rakan Zan
- Jūroku Rakan Iwa
- Raikōji
- Ponpon Yama
- Piyanchiku Hanare
- Panari Bishi
- Ōzu-shi
- Ōzuno Seto
- Ozuki
- Ozue-wan
- Ōzue-hana
- Ōtsuchi Jima
- Ōzu Hana
- Etajimachō-ōzu
- Ozu
- Ōzu
- Ōzu
- Ozōzo Yama
- Ōzo Jima
- Ozono-se
- Ozō
- Ō Ze
- Oze Numa
- Ōzeki Yama
- Oze Gawa
- Ōse Bana
- Ōzawamachi
- Ōzato-son
- Ōzato
- Ōza-san
- Ōzare-yama
- Ō-zanuki
- Ozaki-wan
- O Zaki
- Ozaki-chō
- Ō Zaki
- Ozakichō
- Ōzakai-hana
- Ōzakai-dōkutsu
- Ōzakai
- Ō Misaki
- Ōyū
- Oyo Shima
- Ōyorogi San
- Ōyoko Shima
- Oyogidono-hana
- Ōyodo-ku
- Ooyodo River
- Ōyodo-chō
- Oyashi
- Ōyano Jima
- Ōyano-machi
- Ōya Hana
- Ōyamazaki Chō
- Ōyamato
- Oyama-shi
- Ōyama-saki
- Oyamano Hana
- Ōyama-mura
- Ōyama-mura
- Ōyama Gawa
- Oyamada
- Oyama Chō
- Ōya-machi
- Ōyama
- Oyama
- Oyama
- Oyama
- Ōyama
- Oyama
- Ōyama
- Ō Yama
- Ō-yama
- O Yama
- O-yama
- Ō Yama
- Ō-yama
- Oyakyū-bana
- Oyake-mura
- Ōya-ichiba
- Ō-yagyū-mura
- Ōyagyūchō
- Ōyake Jima
- Ōyadori-gawa
- Ōya-chō
- Ōyabuchō
- Oyabe Shi
- Oyabe Gawa
- Ōya
- Ōya
- Ōwatari
- Ōwa Jima
- Ōwashi
- Owase Wan
- Owase Shi
- Owase
- Ōwa San
- Ōwarino
- Owari-fuji
- Owariasahi-shi
- Owari
- Ōwarabioka
- Ōwan
- Ōwada-mura
- Ōwada-machi
- Ōwada
- Ōura Wan
- Ōura-wan
- Oura Zaki
- Oura Zaki
- Ōuramachi
- Ōura Gawa
- Ōura
- Ōura
- Ōura
- Ōura
- Ōura
- Ōura
- Ariakemachi-ōura
- Ōura
- Ōura
- Ōura
- Ōura
- Ō-ura
- Ōuda-chō
- Ōuda
- Ōuchi-machi
- Otto
- Ottachichō
- Ōtsu-zaki
- Ōtsu Wan
- Ōtsu Shima
- Ōtsu-shi
- Ōtsuru-mura
- Ōtsuno-hana
- Ōtsu-mura
- Ōtsu-mura
- Ōtsumo Gawa
- Ōtsumachi
- Ō-tsukumi-jima
- Ōtsukue Jima
- Ōtsu-ku
- Ōtsuki-shi
- Ōtsuki Chō
- Ōtsuki
- Ōtsuki
- Ōtsuka Yama
- Ōtsuka-mura
- Ōtsukachō
- Ōtsuka
- Ōtsuji-yama
- Inutsuji Bana
- Ōtsufura Shima
- Ōtsubo-kawa
- Ōtsu
- Otono Mine
- Ōtō-zaki
- Ōtoyo Chō
- Ōtō-yama
- Ōtō-yama
- Otowa-gawa
- Otosu-gawa
- Oto-shima
- Ōtō-shima
- Ōto-saki
- Ōdoya Dake
- Ōtori Ike
- Ōtori-higashimachi
- Ōtori Hana
- Ōtori-gawa
- Ōtori Dake
- Ōtori
- Ōtori-nishimachi
- Otona Se
- Otona-se
- Otono-se
- Otona-se
- Ōtō-mura
- Ōtō-mura
- Otomo