Ō (Hitachi-shi) Ōse (Hitachiōta-shi) Ōta (Waga-gun) Ōta (Fukushima Shi) Ōdaki (Mogami-gun) Ōtaki (Kurihara Shi) Ōdori (Ogachi-gun) Ōyanagi (Kitaibaraki-shi) Ōtsu (Iwaki-shi) Ōtsu (Futaba-gun) Ōyauchi (Ishinomaki Shi) Ōzashi (Kōriyama Shi) Ōtsukimachi (Tsukuba-shi) Ōzone (Igu-gun) Ōuchi (Yachiyo-shi) Ōwada (Kasumigaura-shi) Ōwada (Tōda Gun) Ōyanagi (Kōriyama Shi) Ōsemachi-tadano (Daisen-shi) Ōtachō-yokosawa O (Ishinomaki Shi) Ogatsuchō-ōsu (Miyako-shi) Otobe (Shimohei-gun) Otomo (Tōno-shi) Otomomachi (Yuzawa-shi) Oyasu (Hanamaki Shi) Otsuai (Kakuda Shi) Oyama (Minamisōma Shi) Oyama (Iwaki-shi) Owagamachi-shimo’ogawa (Yokote Shi) Omonogawamachi-tsukuriyama (Nishitsugaru-gun) Oirase 83 84 85 86 87