| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4751  | Ōmuro Yama Omuro Yama,Omuro-yama,da shi shan,Ōmuro Yama,Ōmuro-yama,大室山 | Japan, Shizuoka Itō Shi | mountain | N 34° 54′ 16'' | E 139° 5′ 43'' |
| 4752 | Omurono-hama Komuro-hama,Komurono-hama,Omurono-hama | Japan, Kochi Takaoka-gun > Shimanto Chō | beach | N 33° 10′ 3'' | E 133° 11′ 58'' |
| 4753 | Ōmori Dake Omori Dake,Omori-dake,Omori-take,da sen yue,Ōmori Dake,Ōmori-dake,Ōmori-take,大森岳 | Japan, Miyazaki Kobayashi Shi | mountain | N 32° 4′ 30'' | E 131° 9′ 15'' |
| 4754 | Omonoki-yama Omogi-yama,Omoki-san,Omonoki-san,Omonoki-yama | Japan, Ehime Saijō | mountain | N 33° 49′ 0'' | E 133° 1′ 0'' |
| 4755 | Omoi Zaki Omoi Zaki,Omoi-saki,Omoi-zaki,si qi,思崎 | Japan, Tokushima Naruto | cape | N 34° 14′ 57'' | E 134° 36′ 50'' |
| 4756 | Omogo-kei Omogo Valley,Omogo-dani,Omogo-kei,Omogō-dani | Japan, | valley | N 33° 43′ 0'' | E 133° 6′ 0'' |
| 4757 | Ōmi Yama Omi Yama,Omi-yama,da hai shan,Ōmi Yama,Ōmi-yama,大海山 | Japan, Yamaguchi Yamaguchi Shi | mountain | N 34° 2′ 38'' | E 131° 27′ 32'' |
| 4758 | Ōmine San Omine San,Omine-san,Omine-yama,da feng shan,Ōmine San,Ōmine-san,Ōmine-yama,大峰山 | Japan, Hyōgo Takarazuka Shi | mountain | N 34° 51′ 21'' | E 135° 19′ 59'' |
| 4759 | Ō Mine O Mine,O-mine,da feng,Ō Mine,Ō-mine,大峰 | Japan, Kyoto Tsuzuki-gun > Ide Chō | mountain | N 34° 48′ 44'' | E 135° 49′ 19'' |
| 4760 | Ōminase-jima O-minase-shima,Ominase Sima,Ominase-jima,Ōminase Sima,Ōminase-jima | Japan, | island | N 33° 48′ 23'' | E 132° 23′ 44'' |
| 4761 | Ōmija-yama Omija-yama,Omita-yama,Omizya Yama,Ômizya Yama,Ōmija-yama | Japan, | mountain | N 26° 9′ 0'' | E 127° 21′ 0'' |
| 4762 | Onbe Shima Ombe-shima,Onbe Shima,Onbe Sima,yin bu dao,音部島 | Japan, Shimane | islands | N 36° 10′ 42'' | E 133° 11′ 52'' |
| 4763 | Ō-manago-san Ko-manago-yama,O-manago-san,O-manago-yama,Ō-manago-san,Ō-manago-yama | Japan, Tochigi Nikko-shi | mountain | N 36° 47′ 52'' | E 139° 30′ 35'' |
| 4764 | Ōmamae-shima Omama-Shima,Omamae-shima,Ōmama-Shima,Ōmamae-shima | Japan, | island | N 26° 59′ 0'' | E 127° 57′ 0'' |
| 4765 | Ōkura Yama Okura Yama,Okura-yama,da cang shan,Ōkura Yama,Ōkura-yama,大倉山 | Japan, Tottori Hino Gun > Nichinan Chō | mountain | N 35° 8′ 0'' | E 133° 21′ 22'' |
| 4766 | Okisō Blake Rock,Oki-se,Okiso,Okisō | Japan, Kagoshima | islands | N 30° 2′ 0'' | E 129° 57′ 0'' |
| 4767 | Oki Shima Oki Shima,Oki-jima,Oki-shima,chong dao,沖島 | Japan, Shimane | island | N 35° 33′ 24'' | E 133° 1′ 43'' |
| 4768 | Oki Shima Oki Shima,Oki Sima,Oki-shima,chong dao,沖島 | Japan, Yamaguchi | island | N 33° 57′ 27'' | E 131° 41′ 56'' |
| 4769 | Okino-so Okino-iso,Okino-se,Okino-so | Japan, | rocks | N 32° 53′ 0'' | E 132° 27′ 0'' |
| 4770 | Okino-shūri Oki-shuri,Oki-shūri,Okino-shuri,Okino-shūri,Okishiuri Jima | Japan, | island | N 33° 26′ 27'' | E 135° 47′ 27'' |
| 4771 | Okino-shima Oki-no Sima,Oki-shima,Okino-shima | Japan, Chiba | land-tied island | N 34° 59′ 26'' | E 139° 49′ 29'' |
| 4772 | Okino Shima Oki-Shima,Okino Shima,Okino-shima,chongno dao,沖ノ島 | Japan, Nagasaki | island | N 34° 20′ 48'' | E 129° 23′ 52'' |
| 4773 | Okino Shima Oki-no Sima,Okino Shima,Okino-shima,chongno dao,沖ノ島 | Japan, Wakayama | island | N 34° 6′ 45'' | E 135° 4′ 45'' |
| 4774 | Okino Shima Okikami Se,Okino Shima,Okino-shima,chongno dao,沖ノ島 | Japan, Saga | island | N 33° 3′ 54'' | E 130° 13′ 33'' |
| 4775 | Okino Shima Oki-no-sima,Okino,Okino Shima | Japan, | island | N 32° 43′ 43'' | E 132° 33′ 22'' |
| 4776 | Okino-shima Okino Sima,Okino-shima,chongno dao,okinoshima,おきのしま,沖ノ島 | Japan, Nagasaki | island elevation 149m | N 32° 41′ 47'' | E 129° 46′ 43'' |
| 4777 | Okino-kuro-shima Oki-Kuro Sima,Okikuro shima,Okino-kuro-shima | Japan, | island | N 33° 30′ 35'' | E 135° 33′ 11'' |
| 4778 | Okino Hana Okino Hana,Okino-hana,chongno bi,沖の鼻 | Japan, Kagawa Shōzu-gun > Shōdoshima Chō | point | N 34° 28′ 9'' | E 134° 13′ 47'' |
| 4779 | Okikatsura-shima Oki-Katura Sima,Oki-kazura-shima | Japan, | island | N 35° 34′ 46'' | E 135° 23′ 24'' |
| 4780 | Okihira Jima Okihira Jima,Okihira-jima,Okihira-shima,chong ping dao,沖平島 | Japan, Yamagata | island | N 38° 34′ 3'' | E 139° 32′ 49'' |
| 4781 | Okiguro-shima Oki-kuro-shima,Oki-no-Kuro Sima,Okiguro-shima,Okinokuro-shima | Japan, | island | N 32° 52′ 48'' | E 132° 1′ 58'' |
| 4782 | Okayama Heiya Okayama Heiya,Okayama-heiya,gang shan ping ye,岡山平野 | Japan, Okayama | plain(s) | N 34° 35′ 0'' | E 133° 50′ 0'' |
| 4783 | Okameno Hana Okameno Hana,Okameno-hana,okameno bi,オカメノ鼻 | Japan, Kagawa Kagawa > Naoshima Chō | point | N 34° 26′ 37'' | E 133° 59′ 28'' |
| 4784 | Ōkaji Zaki Okaji Zaki,Okaji-saki,Okaji-zaki,da wei qi,Ōkaji Zaki,Ōkaji-saki,Ōkaji-zaki,大梶崎 | Japan, Nagasaki Tsushima Shi | point | N 34° 13′ 36'' | E 129° 19′ 29'' |
| 4785 | Okada Yama Okada Yama,Okada-yama,gang tian shan,岡田山 | Japan, Hiroshima Miyoshi Shi | mountain | N 34° 42′ 0'' | E 132° 56′ 0'' |
| 4786 | Ōjiga-shima Ojiga Sho,Ojiga-shima,Ojika Shima,Ōjiga-shima | Japan, | rock | N 34° 13′ 59'' | E 136° 49′ 37'' |
| 4787 | Ōja-mine Daija-mine,Oja-mine,Orojiga-mine,Ōja-mine | Japan, Mie Kumano-shi | mountain | N 33° 55′ 0'' | E 136° 7′ 0'' |
| 4788 | Ōiwa Yama Oiwa Yama,Oiwa-yama,da yan shan,Ōiwa Yama,Ōiwa-yama,大岩山 | Japan, Nagano Shimominochi-gun > Sakae Mura | mountain | N 36° 48′ 49'' | E 138° 39′ 23'' |
| 4789 | Oitsukami-jima Oitsugami-shima,Oitsukami-jima,Oitsukami-shima,Oitukami Sima | Japan, | island | N 33° 6′ 22'' | E 132° 19′ 38'' |
| 4790 | Ō Iso O Iso,O-iso,Oiso-saki,da ji,Ō Iso,Ō-iso,Ōiso-saki,大磯 | Japan, Tokyo | rocks | N 34° 24′ 0'' | E 139° 15′ 18'' |
| 4791 | Ōishihara-hana Oishihara Bana,Oishihara-hana,Oshihara hana,Ōishihara-hana | Japan, | point | N 33° 37′ 0'' | E 135° 57′ 0'' |
| 4792 | Oishiga Mine Oishiga Mine,Oishiga-mine,sheng shike feng,生石ヶ峰 | Japan, Wakayama Arida-gun > Aridagawa Chō | mountain | N 34° 6′ 18'' | E 135° 19′ 59'' |
| 4793 | Ōin Zan Oin Zan,Oin-zan,wang yuan shan,Ōin Zan,Ōin-zan,王院山 | Japan, Shimane Izumo Shi | mountain | N 35° 15′ 39'' | E 132° 45′ 20'' |
| 4794 | Ōhira Yama Ohira Yama,Ohira-yama,da ping shan,Ōhira Yama,Ōhira-yama,大平山 | Japan, Tochigi Nikko-shi | mountain | N 36° 42′ 51'' | E 139° 24′ 29'' |
| 4795 | Ōhira Yama Ohira Yama,Ohira-yama,da ping shan,Ōhira Yama,Ōhira-yama,大平山 | Japan, Shimane Unnan Shi | mountain | N 35° 22′ 17'' | E 132° 57′ 32'' |
| 4796 | Ōhira Se Ohira Se,Ohira-se,da ping lai,Ōhira Se,Ōhira-se,大平瀬 | Japan, Nagasaki | rocks | N 33° 10′ 23'' | E 129° 36′ 36'' |
| 4797 | Ōbaru Saki Obaru Saki,Ohara-hana,Ohara-saki,da yuan qi,Ōbaru Saki,Ōhara-hana,Ōhara-saki,大原崎 | Japan, Kagoshima Nishinoomote Shi | cape | N 30° 49′ 32'' | E 131° 2′ 9'' |
| 4798 | O Bana O Bana,O-hana,wei bi,Ō-hana,尾鼻 | Japan, Okayama Kasaoka Shi | point | N 34° 20′ 54'' | E 133° 34′ 23'' |
| 4799 | Ohama Misaki Ohama Misaki,Ohama-saki,yu bang jia,御浜岬 | Japan, Shizuoka Numazu-shi | cape | N 34° 58′ 35'' | E 138° 45′ 58'' |
| 4800 | Ō-haka-jima Daihaka Shima,O-haka-jima,O-haka-shima,Ō-haka-jima,Ō-haka-shima | Japan, Shimane | island | N 35° 59′ 46'' | E 133° 4′ 41'' |
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