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THR to GFK: distance & flight time
Teheran (Mehrabad International Airport) → Grand Forks (Grand Forks International Airport)
6,340 mi
10,202 km · 5,509 nm
12h 54m
estimated nonstop flight time
-8.5h
time difference · heading north
See live THR→GFK fares Phone-only fares on this route — call free
Flight time details
6,340 miles nonstop takes roughly 12h 54m gate to gate, flying north. 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
- GFK — Grand Forks International Airport · Grand Forks, 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 GFK
- RDR · Grand Forks Air Force Base10 mi away
- TVF · Thief River Falls Regional Airport47 mi away
- PMB · Pembina Municipal Airport69 mi away
- FAR · Hector International Airport73 mi away
Frequently asked questions
How far is THR from GFK?
The flight distance from Teheran (THR) to Grand Forks (GFK) is 6,340 miles (10,202 km, 5,509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to GFK?
A nonstop flight takes about 12h 54m 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 Grand Forks?
Grand Forks is 8.5 hours behind Teheran.
What is the cheapest way to fly from THR to GFK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–GFK that never appear on search engines, with no booking fees.