| Heading,Location,Prefecture,Bordering entity,Coordinates,Ref | |
| North (disputed),Cape Kamoiwakka on Etorofu,Hokkaido,Sea of Okhotsk,45°33′26″N 148°45′09″E / 45.55722°N 148.75250°E,- | |
| North (undisputed),Benten-jima,Hokkaidō,La Pérouse Strait,45°31′38″N 141°55′06″E / 45.52722°N 141.91833°E,- | |
| South,Okinotorishima,Tokyo,Philippine Sea,20°25′31″N 136°04′11″E / 20.42528°N 136.06972°E,- | |
| East,Minami Torishima,Tokyo,Pacific Ocean,24°16′59″N 153°59′11″E / 24.28306°N 153.98639°E,- | |
| West,Yonaguni,Okinawa,East China Sea,24°26′58″N 122°56′01″E / 24.44944°N 122.93361°E,The westernmost Monument of Japan | |