The distance from Karuizawa Fire Department Heliport () to Washington Dulles International Airport (IAD) is 6751 miles or 10864 kilometers or 5863 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.
10864 kilometers is the direct flight distance between Karuizawa Fire Department Heliport (Japan) and Washington Dulles International Airport (United States).
How long does it take to travel from Karuizawa ( Japan ) to Dulles ( United States )?
A one-way nonstop (direct) flight between Karuizawa and Dulles takes around 15 hours 31 minutes.
Estimated
flight time from Karuizawa Fire Department Heliport, Karuizawa, Japan to Washington Dulles International Airport, Dulles, United States is
15 hours 31 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 | | 10864 km |
| Statute Miles | | 6751 miles |
| Nautical Miles | | 5863 nm |
| Avg. Time of Flight | | 15 hours 31 minutes |
Karuizawa Fire Department Heliport to Washington Dulles International Airport Flight Route Map - to IAD Flight Path
Location of Karuizawa Fire Department Heliport & Washington Dulles International Airport is given below.
Click the map to view Karuizawa to Dulles nonstop flight path and travel direction.
Click to see flight route on Google Map between Karuizawa, Japan and Dulles, United States. .
Nonstop flight route between Karuizawa, Japan and Dulles, United States.
Time Difference Between the Airports • - IAD
Time difference between
Karuizawa (Japan) and
Dulles (United States) is 13 Hours.
Dulles time is 13 Hours behind Karuizawa.
| Location | Local Time |
| Karuizawa (Japan) | 2026-03-21, 15:56:44 JST |
| Dulles (United States) | 2026-03-21, 02:56:44 EDT |
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.