Distance From Okayama Saiseikai Outpatient Center Hospital Heliport to Gimpo International Airport

The distance from Okayama Saiseikai Outpatient Center Hospital Heliport () to Gimpo International Airport (GMP) is 445 miles or 716 kilometers or 387 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 Okayama ( Japan ) to Seoul ( South Korea )?

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

Estimated flight time from Okayama Saiseikai Outpatient Center Hospital Heliport, Okayama, Japan to Gimpo International Airport, Seoul, South Korea is 1 hours 1 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		716 km
Statute Miles		445 miles
Nautical Miles		387 nm
Avg. Time of Flight		1 hours 1 minutes

Okayama Saiseikai Outpatient Center Hospital Heliport to Gimpo International Airport Flight Route Map - to GMP Flight Path

Location of Okayama Saiseikai Outpatient Center Hospital Heliport & Gimpo International Airport is given below.
Click the map to view Okayama to Seoul nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - GMP

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

Location	Local Time
Okayama (Japan)	2026-05-06, 18:47:13 JST
Seoul (South Korea)	2026-05-06, 18:47:13 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

Okayama Saiseikai Outpatient Center Hospital Heliport ( / ) Okayama, Japan

Destination

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