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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSS–IAD that never appear on search engines, with no booking fees.