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AOU to DCA: distance & flight time
Attopeu (Attopeu Airport) → Washington (Ronald Reagan Washington National Airport)
8,720 mi
14,034 km · 7,578 nm
17h 34m
estimated nonstop flight time
—
time difference · heading north
See live AOU→DCA fares Phone-only fares on this route — call free
Flight time details
8,720 miles nonstop takes roughly 17h 34m 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
- AOU — Attopeu Airport · Attopeu, Laos
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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.
Near AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 mi away
Near DCA
Frequently asked questions
How far is AOU from DCA?
The flight distance from Attopeu (AOU) to Washington (DCA) is 8,720 miles (14,034 km, 7,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOU to DCA?
A nonstop flight takes about 17h 34m 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 AOU to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOU–DCA that never appear on search engines, with no booking fees.