Distance From Saitama Prefectural Disaster Prevention Air Corps Training Center Heliport to Gimpo International Airport

The distance from Saitama Prefectural Disaster Prevention Air Corps Training Center Heliport () to Gimpo International Airport (GMP) is 713 miles or 1147 kilometers or 619 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 Okegawa ( Japan ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Okegawa and Seoul takes around 1 hours 38 minutes.

Estimated flight time from Saitama Prefectural Disaster Prevention Air Corps Training Center Heliport, Okegawa, Japan to Gimpo International Airport, Seoul, South Korea is 1 hours 38 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		1147 km
Statute Miles		713 miles
Nautical Miles		619 nm
Avg. Time of Flight		1 hours 38 minutes

Saitama Prefectural Disaster Prevention Air Corps Training Center Heliport to Gimpo International Airport Flight Route Map - to GMP Flight Path

Location of Saitama Prefectural Disaster Prevention Air Corps Training Center Heliport & Gimpo International Airport is given below.
Click the map to view Okegawa to Seoul nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - GMP

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

Location	Local Time
Okegawa (Japan)	2026-03-21, 04:16:50 JST
Seoul (South Korea)	2026-03-21, 04:16:50 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

Saitama Prefectural Disaster Prevention Air Corps Training Center Heliport ( / ) Okegawa, Japan

Destination

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