Distance From Cheung Chau Helipad to Washington Dulles International Airport

The distance from Cheung Chau Helipad () to Washington Dulles International Airport (IAD) is 8147 miles or 13111 kilometers or 7075 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 Islands ( Hong Kong ) to Dulles ( United States )?

A one-way nonstop (direct) flight between Islands and Dulles takes around 18 hours 43 minutes.

Estimated flight time from Cheung Chau Helipad, Islands, Hong Kong to Washington Dulles International Airport, Dulles, United States is 18 hours 43 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		13111 km
Statute Miles		8147 miles
Nautical Miles		7075 nm
Avg. Time of Flight		18 hours 43 minutes

Cheung Chau Helipad to Washington Dulles International Airport Flight Route Map - to IAD Flight Path

Location of Cheung Chau Helipad & Washington Dulles International Airport is given below.
Click the map to view Islands to Dulles nonstop flight path and travel direction.

Click to see flight route on Google Map between Islands, Hong Kong and Dulles, United States. .

Nonstop flight route between Islands, Hong Kong and Dulles, United States.

Time Difference Between the Airports • - IAD

Time difference between Islands (Hong Kong) and Dulles (United States) is 12 Hours.
Dulles time is 12 Hours behind Islands.

Location	Local Time
Islands (Hong Kong)	2026-05-04, 22:48:39 HKT
Dulles (United States)	2026-05-04, 10:48:39 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.

Origin

Cheung Chau Helipad ( / ) Islands, Hong Kong

Destination

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