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Ōshima (Kōchi): Location, Nearest Station & Distance from Hiroshima

Last updated: 2026-09-17

Ōshima is a island in Kōchi Prefecture. The nearest of Japan's major hub cities is Hiroshima, about 166 km away in a straight line, so it suits an overnight trip better than a day trip.

Ōshima
Photo: Dokudami, CC BY-SA 4.0, via Wikimedia Commons
TypeIsland
Name in Japanese大島
LocationKōchi Prefecture
Nearest station (straight line)Sukumo Station – about 2.6 km
From Hiroshima Stationabout 166 km (straight line)
From Hakata Stationabout 224 km (straight line)
From Osaka Stationabout 326 km (straight line)
Coordinates32.91487, 132.69594
MapOpen in Google Maps

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Source: location data from Wikidata (CC0). Distances are calculated by this website.

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We are working to carry Japanese craft and everyday culture beyond Japan, by building Japan Towns with local partners. Read the plan, or tell us if it resonates.

Read the Japan Town →