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THR to SEP: distance & flight time
Teheran (Mehrabad International Airport) → Stephenville (Stephenville Clark Regional Airport)
7,346 mi
11,822 km · 6,384 nm
14h 52m
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live THR→SEP fares Phone-only fares on this route — call free
Flight time details
7,346 miles nonstop takes roughly 14h 52m 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
- THR — Mehrabad International Airport · Teheran, Iran
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Near SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is THR from SEP?
The flight distance from Teheran (THR) to Stephenville (SEP) is 7,346 miles (11,822 km, 6,384 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to SEP?
A nonstop flight takes about 14h 52m 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 Teheran and Stephenville?
Stephenville is 8.5 hours behind Teheran.
What is the cheapest way to fly from THR to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–SEP that never appear on search engines, with no booking fees.