Distance From Willis Airport to Jeju International Airport

The distance from Willis Airport () to Jeju International Airport (CJU) is 6974 miles or 11224 kilometers or 6057 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 Greenfield ( United States ) to Jeju City ( South Korea )?

A one-way nonstop (direct) flight between Greenfield and Jeju City takes around 16 hours 2 minutes.

Estimated flight time from Willis Airport, Greenfield, United States to Jeju International Airport, Jeju City, South Korea is 16 hours 2 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		11224 km
Statute Miles		6974 miles
Nautical Miles		6057 nm
Avg. Time of Flight		16 hours 2 minutes

Willis Airport to Jeju International Airport Flight Route Map - to CJU Flight Path

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

Click to see flight route on Google Map between Greenfield, United States and Jeju City, South Korea. .

Nonstop flight route between Greenfield, United States and Jeju City, South Korea.

Time Difference Between the Airports • - CJU

Time difference between Greenfield (United States) and Jeju City (South Korea) is 14 Hours.
Jeju City time is 14 Hours ahead of Greenfield.

Location	Local Time
Greenfield (United States)	2025-12-14, 01:14:32 EST
Jeju City (South Korea)	2025-12-14, 15:14:32 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

Willis Airport ( / 4II8) Greenfield, United States

Destination

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