Distance From Iruma Air Base to Jeju International Airport

The distance from Iruma Air Base () to Jeju International Airport (CJU) is 751 miles or 1209 kilometers or 653 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 Sayama ( Japan ) to Jeju City ( South Korea )?

A one-way nonstop (direct) flight between Sayama and Jeju City takes around 1 hours 43 minutes.

Estimated flight time from Iruma Air Base, Sayama, Japan to Jeju International Airport, Jeju City, South Korea is 1 hours 43 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		1209 km
Statute Miles		751 miles
Nautical Miles		653 nm
Avg. Time of Flight		1 hours 43 minutes

Iruma Air Base to Jeju International Airport Flight Route Map - to CJU Flight Path

Location of Iruma Air Base & Jeju International Airport is given below.
Click the map to view Sayama to Jeju City nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - CJU

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

Location	Local Time
Sayama (Japan)	2026-05-01, 21:40:53 JST
Jeju City (South Korea)	2026-05-01, 21:40:53 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

Iruma Air Base ( / RJTJ) Sayama, Japan

Destination

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