Distance From Castle Peak Power Station Heliport to Gimpo International Airport

The distance from Castle Peak Power Station Heliport () to Gimpo International Airport (GMP) is 1299 miles or 2090 kilometers or 1128 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 Tuen Mun ( Hong Kong ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Tuen Mun and Seoul takes around 2 hours 59 minutes.

Estimated flight time from Castle Peak Power Station Heliport, Tuen Mun, Hong Kong to Gimpo International Airport, Seoul, South Korea is 2 hours 59 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 • - GMP

Kilometers		2090 km
Statute Miles		1299 miles
Nautical Miles		1128 nm
Avg. Time of Flight		2 hours 59 minutes

Castle Peak Power Station Heliport to Gimpo International Airport Flight Route Map - to GMP Flight Path

Location of Castle Peak Power Station Heliport & Gimpo International Airport is given below.
Click the map to view Tuen Mun to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Tuen Mun, Hong Kong and Seoul, South Korea. .

Nonstop flight route between Tuen Mun, Hong Kong and Seoul, South Korea.

Time Difference Between the Airports • - GMP

Time difference between Tuen Mun (Hong Kong) and Seoul (South Korea) is 1 Hours.
Seoul time is 1 Hours ahead of Tuen Mun.

Location	Local Time
Tuen Mun (Hong Kong)	2026-05-04, 22:50:03 HKT
Seoul (South Korea)	2026-05-04, 23:50:03 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

Castle Peak Power Station Heliport ( / ) Tuen Mun, Hong Kong

Destination

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