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TYS to DEF: distance & flight time
Knoxville (McGhee Tyson Airport) → Dezful (Dezful Airport)
6,805 mi
10,952 km · 5,913 nm
13h 49m
estimated nonstop flight time
+7.5h
time difference · heading northeast
See live TYS→DEF fares Phone-only fares on this route — call free
Flight time details
6,805 miles nonstop takes roughly 13h 49m 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
- TYS — McGhee Tyson Airport · Knoxville, United States
- DEF — Dezful Airport · Dezful, 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 TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 mi away
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is TYS from DEF?
The flight distance from Knoxville (TYS) to Dezful (DEF) is 6,805 miles (10,952 km, 5,913 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TYS to DEF?
A nonstop flight takes about 13h 49m 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 Knoxville and Dezful?
Dezful is 7.5 hours ahead of Knoxville.
What is the cheapest way to fly from TYS to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TYS–DEF that never appear on search engines, with no booking fees.