Distance From Koka Public Hospital Helipad to Gimpo International Airport

The distance from Koka Public Hospital Helipad () to Gimpo International Airport (GMP) is 553 miles or 889 kilometers or 480 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 Koka ( Japan ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Koka and Seoul takes around 1 hours 16 minutes.

Estimated flight time from Koka Public Hospital Helipad, Koka, Japan to Gimpo International Airport, Seoul, South Korea is 1 hours 16 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		889 km
Statute Miles		553 miles
Nautical Miles		480 nm
Avg. Time of Flight		1 hours 16 minutes

Koka Public Hospital Helipad to Gimpo International Airport Flight Route Map - to GMP Flight Path

Location of Koka Public Hospital Helipad & Gimpo International Airport is given below.
Click the map to view Koka to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Koka, Japan and Seoul, South Korea. .

Nonstop flight route between Koka, Japan and Seoul, South Korea.

Time Difference Between the Airports • - GMP

Time difference between Koka (Japan) and Seoul (South Korea) is 0 Hours.

Location	Local Time
Koka (Japan)	2026-06-19, 07:52:11 JST
Seoul (South Korea)	2026-06-19, 07:52:11 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

Koka Public Hospital Helipad ( / ) Koka, Japan

Destination

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