Distance From Oshima Airport to Jeju International Airport, OIM - CJU Distance

The distance from Oshima Airport (OIM) to Jeju International Airport (CJU) is 741 miles or 1192 kilometers or 643 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Izu Oshima ( Japan ) to Jeju City ( South Korea )?

A one-way nonstop (direct) flight between Izu Oshima and Jeju City takes around 1 hours 42 minutes.

Estimated flight time from Oshima Airport, Izu Oshima, Japan to Jeju International Airport, Jeju City, South Korea is 1 hours 42 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • OIM - CJU

Kilometers		1192 km
Statute Miles		741 miles
Nautical Miles		643 nm
Avg. Time of Flight		1 hours 42 minutes

Oshima Airport to Jeju International Airport Flight Route Map - OIM to CJU Flight Path

Location of Oshima Airport & Jeju International Airport is given below.
Click the map to view Izu Oshima to Jeju City nonstop flight path and travel direction.

Click to see flight route on Google Map between Izu Oshima, Japan and Jeju City, South Korea. .

Nonstop flight route between Izu Oshima, Japan and Jeju City, South Korea.

Time Difference Between the Airports • OIM - CJU

Time difference between Izu Oshima (Japan) and Jeju City (South Korea) is 0 Hours.

Location	Local Time
Izu Oshima (Japan)	2026-05-01, 17:54:34 JST
Jeju City (South Korea)	2026-05-01, 17:54:34 KST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Oshima Airport (OIM / RJTO) Izu Oshima, Japan

Destination

Jeju International Airport (CJU / RKPC) Jeju City, South Korea