Distance From Phetchabun Airport to Ronald Reagan Washington National Airport, PHY - DCA Distance

The distance from Phetchabun Airport (PHY) to Ronald Reagan Washington National Airport (DCA) is 8599 miles or 13838 kilometers or 7467 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 ( Thailand ) to Washington ( United States )?

A one-way nonstop (direct) flight between and Washington takes around 19 hours 46 minutes.

Estimated flight time from Phetchabun Airport, , Thailand to Ronald Reagan Washington National Airport, Washington, United States is 19 hours 46 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 • PHY - DCA

Kilometers		13838 km
Statute Miles		8599 miles
Nautical Miles		7467 nm
Avg. Time of Flight		19 hours 46 minutes

Phetchabun Airport to Ronald Reagan Washington National Airport Flight Route Map - PHY to DCA Flight Path

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

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

Nonstop flight route between , Thailand and Washington, United States.

Time Difference Between the Airports • PHY - DCA

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

Location	Local Time
(Thailand)	2026-03-19, 04:01:06 +07
Washington (United States)	2026-03-18, 17:01:06 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

Phetchabun Airport (PHY / VTPB) , Thailand

Destination

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