Distance From Reoh1 Heliport to Gimpo International Airport

The distance from Reoh1 Heliport () to Gimpo International Airport (GMP) is 5169 miles or 8318 kilometers or 4489 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.

---

How long does it take to travel from Lake Stevens ( United States ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Lake Stevens and Seoul takes around 11 hours 52 minutes.

Estimated flight time from Reoh1 Heliport, Lake Stevens, United States to Gimpo International Airport, Seoul, South Korea is 11 hours 52 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		8318 km
Statute Miles		5169 miles
Nautical Miles		4489 nm
Avg. Time of Flight		11 hours 52 minutes

Reoh1 Heliport to Gimpo International Airport Flight Route Map - to GMP Flight Path

Location of Reoh1 Heliport & Gimpo International Airport is given below.
Click the map to view Lake Stevens to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Lake Stevens, United States and Seoul, South Korea. .

Nonstop flight route between Lake Stevens, United States and Seoul, South Korea.

Time Difference Between the Airports • - GMP

Time difference between Lake Stevens (United States) and Seoul (South Korea) is 15 Hours.
Seoul time is 15 Hours ahead of Lake Stevens.

Location	Local Time
Lake Stevens (United States)	2026-05-07, 07:24:07 MDT
Seoul (South Korea)	2026-05-07, 22:24:07 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

Reoh1 Heliport ( / WA31) Lake Stevens, United States

Destination

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