Distance From Entrance Island Seaplane Base to Jeju International Airport, HBH - CJU Distance

The distance from Entrance Island Seaplane Base (HBH) to Jeju International Airport (CJU) is 4647 miles or 7478 kilometers or 4035 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 Entrance Island ( United States ) to Jeju City ( South Korea )?

A one-way nonstop (direct) flight between Entrance Island and Jeju City takes around 10 hours 40 minutes.

Estimated flight time from Entrance Island Seaplane Base, Entrance Island, United States to Jeju International Airport, Jeju City, South Korea is 10 hours 40 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 • HBH - CJU

Kilometers		7478 km
Statute Miles		4647 miles
Nautical Miles		4035 nm
Avg. Time of Flight		10 hours 40 minutes

Entrance Island Seaplane Base to Jeju International Airport Flight Route Map - HBH to CJU Flight Path

Location of Entrance Island Seaplane Base & Jeju International Airport is given below.
Click the map to view Entrance Island to Jeju City nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • HBH - CJU

Time difference between Entrance Island (United States) and Jeju City (South Korea) is 17 Hours.
Jeju City time is 17 Hours ahead of Entrance Island.

Location	Local Time
Entrance Island (United States)	2026-08-07, 20:29:27 AKDT
Jeju City (South Korea)	2026-08-08, 13:29:27 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

Entrance Island Seaplane Base (HBH / ) Entrance Island, United States

Destination

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