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IAD to OSS: distance & flight time
Washington (Washington Dulles International Airport) → Osh (Osh Airport)
6,629 mi
10,668 km · 5,760 nm
13h 28m
estimated nonstop flight time
+10h
time difference · heading north
See live IAD→OSS fares Phone-only fares on this route — call free
Flight time details
6,629 miles nonstop takes roughly 13h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- OSS — Osh Airport · Osh, Kyrgyzstan
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 IAD
Near OSS
- AZN · Andizhan Airport27 mi away
- FEG · Fergana International Airport58 mi away
- NMA · Namangan Airport70 mi away
Frequently asked questions
How far is IAD from OSS?
The flight distance from Washington (IAD) to Osh (OSS) is 6,629 miles (10,668 km, 5,760 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to OSS?
A nonstop flight takes about 13h 28m 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 time difference between Washington and Osh?
Osh is 10 hours ahead of Washington.
What is the cheapest way to fly from IAD to OSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–OSS that never appear on search engines, with no booking fees.