Distance From Suvarnabhumi Airport to Ronald Reagan Washington National Airport, BKK - DCA Distance

The distance from Suvarnabhumi Airport (BKK) to Ronald Reagan Washington National Airport (DCA) is 8804 miles or 14169 kilometers or 7646 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 Bangkok ( Thailand ) to Washington ( United States )?

A one-way nonstop (direct) flight between Bangkok and Washington takes around 20 hours 14 minutes.

Estimated flight time from Suvarnabhumi Airport, Bangkok, Thailand to Ronald Reagan Washington National Airport, Washington, United States is 20 hours 14 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 • BKK - DCA

Kilometers		14169 km
Statute Miles		8804 miles
Nautical Miles		7646 nm
Avg. Time of Flight		20 hours 14 minutes

Suvarnabhumi Airport to Ronald Reagan Washington National Airport Flight Route Map - BKK to DCA Flight Path

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

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

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

Time Difference Between the Airports • BKK - DCA

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

Location	Local Time
Bangkok (Thailand)	2025-12-16, 01:01:19 +07
Washington (United States)	2025-12-15, 13:01:19 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

Suvarnabhumi Airport (BKK / VTBS) Bangkok, Thailand

Destination

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