Need help booking?
Unpublished phone-only deals available
GCH to GTF: distance & flight time
Gachsaran (Gachsaran Airport) → Great Falls (Great Falls International Airport)
6,947 mi
11,180 km · 6,037 nm
14h 5m
estimated nonstop flight time
-9.5h
time difference · heading north
See live GCH→GTF fares Phone-only fares on this route — call free
Flight time details
6,947 miles nonstop takes roughly 14h 5m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GCH — Gachsaran Airport · Gachsaran, Iran
- GTF — Great Falls International Airport · Great Falls, 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 GCH
- YES · Yasouj Airport50 mi away
- AKW · Aghajari Airport74 mi away
- KHK · Khark Island Airport80 mi away
- OMI · Omidiyeh Airport84 mi away
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is GCH from GTF?
The flight distance from Gachsaran (GCH) to Great Falls (GTF) is 6,947 miles (11,180 km, 6,037 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to GTF?
A nonstop flight takes about 14h 5m 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 Gachsaran and Great Falls?
Great Falls is 9.5 hours behind Gachsaran.
What is the cheapest way to fly from GCH to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–GTF that never appear on search engines, with no booking fees.