Distance From Prachuap Khiri Khan Airport to Ronald Reagan Washington National Airport

The distance from Prachuap Khiri Khan Airport () to Ronald Reagan Washington National Airport (DCA) is 8889 miles or 14305 kilometers or 7719 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 Prachuap Khiri Khan ( Thailand ) to Washington ( United States )?

A one-way nonstop (direct) flight between Prachuap Khiri Khan and Washington takes around 20 hours 26 minutes.

Estimated flight time from Prachuap Khiri Khan Airport, Prachuap Khiri Khan, Thailand to Ronald Reagan Washington National Airport, Washington, United States is 20 hours 26 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 • - DCA

Kilometers		14305 km
Statute Miles		8889 miles
Nautical Miles		7719 nm
Avg. Time of Flight		20 hours 26 minutes

Prachuap Khiri Khan Airport to Ronald Reagan Washington National Airport Flight Route Map - to DCA Flight Path

Location of Prachuap Khiri Khan Airport & Ronald Reagan Washington National Airport is given below.
Click the map to view Prachuap Khiri Khan to Washington nonstop flight path and travel direction.

Click to see flight route on Google Map between Prachuap Khiri Khan, Thailand and Washington, United States. .

Nonstop flight route between Prachuap Khiri Khan, Thailand and Washington, United States.

Time Difference Between the Airports • - DCA

Time difference between Prachuap Khiri Khan (Thailand) and Washington (United States) is 11 Hours.
Washington time is 11 Hours behind Prachuap Khiri Khan.

Location	Local Time
Prachuap Khiri Khan (Thailand)	2026-05-23, 07:50:43 +07
Washington (United States)	2026-05-22, 20:50:43 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

Prachuap Khiri Khan Airport ( / VTBN) Prachuap Khiri Khan, Thailand

Destination

Ronald Reagan Washington National Airport (DCA / KDCA) Washington, United States