O (Hakui Gun) Oshima (Arida-gun) Oshide (Shimonoseki Shi) Ozuki (Shizuoka-shi) Okitsu-seikenjichō (Setouchi Shi) Okuchō-shirimi (Kure-shi) Ondochō-tahara (Kure-shi) Ondochō-takasu (Kōbe Shi) Oshibedanichō-wada (Kure-shi) Ondochō-tonoko (Nakagami-gun) Onaga (Nakagami-gun) Onaha (Higashimuro-gun) Okiaka Shima Ō (Sakaide Shi) Ōyabuchō (Jōetsu Shi) Ōshima (Nara-shi) Ōyagyūchō (Iwafune-gun) Ōshima (Ōmachi-shi) Ō-shinden (Yonago Shi) Ōshinozu (Shūnan Shi) Ōshio (Himeji Shi) Ōshiochō (Yama-gun) Ōshio (Kamo-gun) Ōsōri (Murakami Shi) Ōsudo (Nanao Shi) Ōtamachi (Gojō-shi) Ōtōchō-sakamoto (Bungo-ōno Shi) Ōnomachi-tanaka (Himeji Shi) Ōtsuku-tenma (Kunigami-gun) Ōkobori (Uruma Shi) Ōta (Isa Shi) Ōkuchi-yamano 98 99 100