Need help booking?
Unpublished phone-only deals available
DUC to THR: distance & flight time
Duncan (Halliburton Field) → Teheran (Mehrabad International Airport)
7,200 mi
11,587 km · 6,257 nm
14h 35m
estimated nonstop flight time
+8.5h
time difference · heading northeast
See live DUC→THR fares Phone-only fares on this route — call free
Flight time details
7,200 miles nonstop takes roughly 14h 35m 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
- DUC — Halliburton Field · Duncan, United States
- THR — Mehrabad International Airport · Teheran, 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 DUC
Near THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Frequently asked questions
How far is DUC from THR?
The flight distance from Duncan (DUC) to Teheran (THR) is 7,200 miles (11,587 km, 6,257 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to THR?
A nonstop flight takes about 14h 35m 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 Duncan and Teheran?
Teheran is 8.5 hours ahead of Duncan.
What is the cheapest way to fly from DUC to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–THR that never appear on search engines, with no booking fees.