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GCH to FSI: distance & flight time
Gachsaran (Gachsaran Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
7,520 mi
12,102 km · 6,535 nm
15h 13m
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live GCH→FSI fares Phone-only fares on this route — call free
Flight time details
7,520 miles nonstop takes roughly 15h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GCH — Gachsaran Airport · Gachsaran, Iran
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is GCH from FSI?
The flight distance from Gachsaran (GCH) to Fort Sill (FSI) is 7,520 miles (12,102 km, 6,535 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to FSI?
A nonstop flight takes about 15h 13m 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 Fort Sill?
Fort Sill is 8.5 hours behind Gachsaran.
What is the cheapest way to fly from GCH to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–FSI that never appear on search engines, with no booking fees.