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GFK to THR: distance & flight time
Grand Forks (Grand Forks International Airport) → Teheran (Mehrabad International Airport)
6,340 mi
10,202 km · 5,509 nm
12h 54m
estimated nonstop flight time
+8.5h
time difference · heading northeast
See live GFK→THR fares Phone-only fares on this route — call free
Flight time details
6,340 miles nonstop takes roughly 12h 54m 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
- GFK — Grand Forks International Airport · Grand Forks, 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 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
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 GFK from THR?
The flight distance from Grand Forks (GFK) to Teheran (THR) 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 GFK to THR?
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 Grand Forks and Teheran?
Teheran is 8.5 hours ahead of Grand Forks.
What is the cheapest way to fly from GFK to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFK–THR that never appear on search engines, with no booking fees.