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DEF to FSI: distance & flight time
Dezful (Dezful Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
7,326 mi
11,789 km · 6,366 nm
14h 50m
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live DEF→FSI fares Phone-only fares on this route — call free
Flight time details
7,326 miles nonstop takes roughly 14h 50m 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
- DEF — Dezful Airport · Dezful, 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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 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 DEF from FSI?
The flight distance from Dezful (DEF) to Fort Sill (FSI) is 7,326 miles (11,789 km, 6,366 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to FSI?
A nonstop flight takes about 14h 50m 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 Dezful and Fort Sill?
Fort Sill is 8.5 hours behind Dezful.
What is the cheapest way to fly from DEF to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–FSI that never appear on search engines, with no booking fees.