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DCA to ZBY: distance & flight time

Washington (Ronald Reagan Washington National Airport) → Sainyabuli (Sayaboury Airport)

8,422 mi
13,554 km · 7,318 nm
16h 59m
estimated nonstop flight time
time difference · heading north
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Flight time details

8,422 miles nonstop takes roughly 16h 59m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.

Frequently asked questions

How far is DCA from ZBY?

The flight distance from Washington (DCA) to Sainyabuli (ZBY) is 8,422 miles (13,554 km, 7,318 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from DCA to ZBY?

A nonstop flight takes about 16h 59m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the cheapest way to fly from DCA to ZBY?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–ZBY that never appear on search engines, with no booking fees.
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