Need help booking?
Unpublished phone-only deals available
THR to GRK: distance & flight time
Teheran (Mehrabad International Airport) → Killeen (Robert Gray Army Air Field Airport)
7,409 mi
11,923 km · 6,438 nm
15h
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live THR→GRK fares Phone-only fares on this route — call free
Flight time details
7,409 miles nonstop takes roughly 15h 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
- GRK — Robert Gray Army Air Field Airport · Killeen, 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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Frequently asked questions
How far is THR from GRK?
The flight distance from Teheran (THR) to Killeen (GRK) is 7,409 miles (11,923 km, 6,438 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to GRK?
A nonstop flight takes about 15h 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 Killeen?
Killeen is 8.5 hours behind Teheran.
What is the cheapest way to fly from THR to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–GRK that never appear on search engines, with no booking fees.