Distance From Koggala Airport to Gimpo International Airport, KCT - GMP Distance

The distance from Koggala Airport (KCT) to Gimpo International Airport (GMP) is 3638 miles or 5855 kilometers or 3160 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 Galle ( Sri Lanka ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Galle and Seoul takes around 8 hours 21 minutes.

Estimated flight time from Koggala Airport, Galle, Sri Lanka to Gimpo International Airport, Seoul, South Korea is 8 hours 21 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 • KCT - GMP

Kilometers		5855 km
Statute Miles		3638 miles
Nautical Miles		3160 nm
Avg. Time of Flight		8 hours 21 minutes

Koggala Airport to Gimpo International Airport Flight Route Map - KCT to GMP Flight Path

Location of Koggala Airport & Gimpo International Airport is given below.
Click the map to view Galle to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Galle, Sri Lanka and Seoul, South Korea. .

Nonstop flight route between Galle, Sri Lanka and Seoul, South Korea.

Time Difference Between the Airports • KCT - GMP

Time difference between Galle (Sri Lanka) and Seoul (South Korea) is 3 Hours 30 Minutes.
Seoul time is 3 Hours 30 Minutes ahead of Galle.

Location	Local Time
Galle (Sri Lanka)	2026-05-01, 11:34:38 +0530
Seoul (South Korea)	2026-05-01, 15:04:38 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

Koggala Airport (KCT / VCCK) Galle, Sri Lanka

Destination

Gimpo International Airport (GMP / RKSS) Seoul, South Korea