Distance From Kumagaya Flying Club Osato Airfield to Washington Dulles International Airport

The distance from Kumagaya Flying Club Osato Airfield () to Washington Dulles International Airport (IAD) is 6743 miles or 10852 kilometers or 5856 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 Kumagaya ( Japan ) to Dulles ( United States )?

A one-way nonstop (direct) flight between Kumagaya and Dulles takes around 15 hours 30 minutes.

Estimated flight time from Kumagaya Flying Club Osato Airfield, Kumagaya, Japan to Washington Dulles International Airport, Dulles, United States is 15 hours 30 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 • - IAD

Kilometers		10852 km
Statute Miles		6743 miles
Nautical Miles		5856 nm
Avg. Time of Flight		15 hours 30 minutes

Kumagaya Flying Club Osato Airfield to Washington Dulles International Airport Flight Route Map - to IAD Flight Path

Location of Kumagaya Flying Club Osato Airfield & Washington Dulles International Airport is given below.
Click the map to view Kumagaya to Dulles nonstop flight path and travel direction.

Click to see flight route on Google Map between Kumagaya, Japan and Dulles, United States. .

Nonstop flight route between Kumagaya, Japan and Dulles, United States.

Time Difference Between the Airports • - IAD

Time difference between Kumagaya (Japan) and Dulles (United States) is 14 Hours.
Dulles time is 14 Hours behind Kumagaya.

Location	Local Time
Kumagaya (Japan)	2025-12-05, 17:18:13 JST
Dulles (United States)	2025-12-05, 03:18:13 EST

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

Kumagaya Flying Club Osato Airfield ( / ) Kumagaya, Japan

Destination

Washington Dulles International Airport (IAD / KIAD) Dulles, United States