Cities in Japan

Onagawa Chō
Ono
Ono
Ōno-hara
Onoda
Ōnojō
Onomichi
Osaka
Ōsaka-sayama
Ōsaki
Ōshima
Ōshū
Ōta
Ōtake
Otaru
Ōtawara
Otofuke
Ōtsu
Ōtsuchi
Ōtsuki
Ōuda
Owase
Oyabe
Oyama
Ōyama
Ōzu
Ōzu
Rifu
Rikuzentakata
Rishiri Town
Rittō
Rumoi
Ryōtsu-minato
Ryūgasaki
Ryūō
Sabae
Sado
Saga
Sagae
Sagamihara
Sagara
Saijō
Saikai
Saiki
Saitama
Saito
Sakado
Sakai