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DEC to IKA: distance & flight time
Decatur (Decatur Airport) → Tehran (Imam Khomeini International Airport)
6,648 mi
10,699 km · 5,777 nm
13h 30m
estimated nonstop flight time
+8.5h
time difference · heading northeast
See live DEC→IKA fares Phone-only fares on this route — call free
Flight time details
6,648 miles nonstop takes roughly 13h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time gain when reading arrival times on your ticket.
The two airports
- DEC — Decatur Airport · Decatur, United States
- IKA — Imam Khomeini International Airport · Tehran, 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 DEC
Near IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 mi away
Frequently asked questions
How far is DEC from IKA?
The flight distance from Decatur (DEC) to Tehran (IKA) is 6,648 miles (10,699 km, 5,777 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to IKA?
A nonstop flight takes about 13h 30m 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 Decatur and Tehran?
Tehran is 8.5 hours ahead of Decatur.
What is the cheapest way to fly from DEC to IKA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–IKA that never appear on search engines, with no booking fees.