Distance From Nakhon Si Thammarat Airport to Gimpo International Airport, NST - GMP Distance

The distance from Nakhon Si Thammarat Airport (NST) to Gimpo International Airport (GMP) is 2613 miles or 4205 kilometers or 2269 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 Nakhon Si Thammarat ( Thailand ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Nakhon Si Thammarat and Seoul takes around 6 hours 0 minutes.

Estimated flight time from Nakhon Si Thammarat Airport, Nakhon Si Thammarat, Thailand to Gimpo International Airport, Seoul, South Korea is 6 hours 0 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 • NST - GMP

Kilometers		4205 km
Statute Miles		2613 miles
Nautical Miles		2269 nm
Avg. Time of Flight		6 hours 0 minutes

Nakhon Si Thammarat Airport to Gimpo International Airport Flight Route Map - NST to GMP Flight Path

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

Click to see flight route on Google Map between Nakhon Si Thammarat, Thailand and Seoul, South Korea. .

Nonstop flight route between Nakhon Si Thammarat, Thailand and Seoul, South Korea.

Time Difference Between the Airports • NST - GMP

Time difference between Nakhon Si Thammarat (Thailand) and Seoul (South Korea) is 2 Hours.
Seoul time is 2 Hours ahead of Nakhon Si Thammarat.

Location	Local Time
Nakhon Si Thammarat (Thailand)	2025-12-16, 23:57:37 +07
Seoul (South Korea)	2025-12-17, 01:57:37 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

Nakhon Si Thammarat Airport (NST / VTSF) Nakhon Si Thammarat, Thailand

Destination

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