ABCDEFGHIJKLMNOPQRSTUWYZ O Obihiro Obihiro-eki Obihiro-shiyakusho Obira Chōyakuba Obira Dam Obirachō Obitomi Oboro Oboro Eki Obukaruishi Ochiai Ochiai-damu Ochiai-eki Ochiishi Eki Ochikiri Ochūshinai Oda Odaitō Ofukeshi Ofuyu Ogifushi Eki Ohmagari Oiwake Oiwake-eki Oiwakechō Okadamachō Okajima Oketo Oketo Chōyakuba Okimura Okinai Bōsai-damu Okishinai Okonshibe Okoppe Okoppe Chōyakuba Oku-ikutahara Oku-kombu Oku-muri Oku-setose Okumo-okoppe Okuniikappu-damu Okurige Okusaru-damu Okusawachō Okushiri Okushiri Chōyakuba Okushiri-kūkō Okushumbetsu Onbetsu Eki Onenai Onetomanai Onishika-minatomachi Oniwaki Onkouta Onne Onnebetsu Dam Onnebetsumachi Onnenai Onnenai Eki Onnetō Onoppunai Onoppunai Eki Opporo Osamunai Osamunai-eki Osaru Osarushinai Osashima Osashima Eki Osatsu-eki Osatsunai-eki Osausu Oshamambe Oshamanbe-chōyakuba Oshamanbe-eki Oshibetsu-damu Oshidomari Oshimanumajiri-eki Oshimasawara-eki Oshimatsuruoka-eki Oshimatōbetsu-eki Oshimaōno-eki Oshirabetsu Oshirarika-damu Oshironai-eki Oshonnai Oshoro Osokinai Osokinai-eki Osōshu-damu Otakomushube Otanegawa Otanoshike Otanoshike Eki Otaru Otaru-eki Otaru-shiyakusho Otaruchikkō-eki Otchūbe Otobe Otobe-chōyakuba Otoebokke Otofuke Otofuke-chōyakuba Otoineppu Eki Otoineppu Murayakuba Otoshibe-eki Owada-eki Oyochi Ozawa-damu Ozawa-eki Ōasa-eki Ōdōri Ōdōri Eki Ōe Ōekōzan Ōinosawa Ōiso Ōji Ōjimachi Ōkaribe-eki Ōkawamachi Ōkishi-eki Ōmachi Ōmachi Eki Ōmagari Ōmori Ōmu Ōmu Chōyakuba Ōmu Dam Ōmui Ōnakayama Eki Ōnari-eki Ōno Ōno-damu Ōnuma Eki Ōsawa Ōsawa-damu Ōtanishi Ōtodo Ōtodo Dam Ōtomari Ōtsu Ōwada Ōyachi-eki Ōyakaigan-eki Ōyūbari-damu Ōzora Chōyakuba ABCDEFGHIJKLMNOPQRSTUWYZ