Distance From Roi Et Airport to Ronald Reagan Washington National Airport, ROI - DCA Distance

The distance from Roi Et Airport (ROI) to Ronald Reagan Washington National Airport (DCA) is 8639 miles or 13902 kilometers or 7502 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 Roi Et ( Thailand ) to Washington ( United States )?

A one-way nonstop (direct) flight between Roi Et and Washington takes around 19 hours 51 minutes.

Estimated flight time from Roi Et Airport, Roi Et, Thailand to Ronald Reagan Washington National Airport, Washington, United States is 19 hours 51 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 • ROI - DCA

Kilometers		13902 km
Statute Miles		8639 miles
Nautical Miles		7502 nm
Avg. Time of Flight		19 hours 51 minutes

Roi Et Airport to Ronald Reagan Washington National Airport Flight Route Map - ROI to DCA Flight Path

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

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

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

Time Difference Between the Airports • ROI - DCA

Time difference between Roi Et (Thailand) and Washington (United States) is 12 Hours.
Washington time is 12 Hours behind Roi Et.

Location	Local Time
Roi Et (Thailand)	2025-12-17, 01:50:54 +07
Washington (United States)	2025-12-16, 13:50:54 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

Roi Et Airport (ROI / VTUV) Roi Et, Thailand

Destination

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