Distance From Oyama Tunnel Heliport to Jeju International Airport

The distance from Oyama Tunnel Heliport () to Jeju International Airport (CJU) is 716 miles or 1152 kilometers or 622 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 Annaka ( Japan ) to Jeju City ( South Korea )?

A one-way nonstop (direct) flight between Annaka and Jeju City takes around 1 hours 38 minutes.

Estimated flight time from Oyama Tunnel Heliport, Annaka, Japan to Jeju International Airport, Jeju City, South Korea is 1 hours 38 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 • - CJU

Kilometers		1152 km
Statute Miles		716 miles
Nautical Miles		622 nm
Avg. Time of Flight		1 hours 38 minutes

Oyama Tunnel Heliport to Jeju International Airport Flight Route Map - to CJU Flight Path

Location of Oyama Tunnel Heliport & Jeju International Airport is given below.
Click the map to view Annaka to Jeju City nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - CJU

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

Location	Local Time
Annaka (Japan)	2026-05-05, 04:34:15 JST
Jeju City (South Korea)	2026-05-05, 04:34:15 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

Oyama Tunnel Heliport ( / ) Annaka, Japan

Destination

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