Cities in Japan

Numata
Numazu
Nyūzen
Ōami
Ōamishirasato
Ōarai
Obama
Obanazawa
Obihiro
Obita
Ōbu
Oda
Ōdachō-ōda
Ōdate
Odawara
Ōfunato
Oga
Ōgaki
Ogasawara
Ogawa
Ogi
Ogōri
Ogōri-shimogō
Ōhara
Ōi
Ōiso
Ōita
Ojiya
Ōkawa
Ōkawara
Okaya
Okayama
Okazaki
Okegawa
Okinawa
Ōkuchi-shinohara
Okunoya
Ōmachi
Omaezaki
Ōmagari
Ōmamachō-ōmama
Ōme
Omigawa
Ōmihachiman
Omitama
Ōmiya
Ōmura
Ōmuta