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IAD to GCH: distance & flight time
Washington (Washington Dulles International Airport) → Gachsaran (Gachsaran Airport)
6,609 mi
10,635 km · 5,743 nm
13h 25m
estimated nonstop flight time
+7.5h
time difference · heading northeast
See live IAD→GCH fares Phone-only fares on this route — call free
Flight time details
6,609 miles nonstop takes roughly 13h 25m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7.5-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- GCH — Gachsaran Airport · Gachsaran, Iran
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 GCH
- YES · Yasouj Airport50 mi away
- AKW · Aghajari Airport74 mi away
- KHK · Khark Island Airport80 mi away
- OMI · Omidiyeh Airport84 mi away
Frequently asked questions
How far is IAD from GCH?
The flight distance from Washington (IAD) to Gachsaran (GCH) is 6,609 miles (10,635 km, 5,743 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to GCH?
A nonstop flight takes about 13h 25m 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 Gachsaran?
Gachsaran is 7.5 hours ahead of Washington.
What is the cheapest way to fly from IAD to GCH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–GCH that never appear on search engines, with no booking fees.