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IRB to GRF: distance & flight time
Iraan (Iraan Municipal Airport) → Fort Lewis (Gray Army Air Field)
1,566 mi
2,521 km · 1,361 nm
3h 32m
estimated nonstop flight time
-2h
time difference · heading northwest
See live IRB→GRF fares Phone-only fares on this route — call free
Flight time details
1,566 miles nonstop takes roughly 3h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IRB — Iraan Municipal Airport · Iraan, United States
- GRF — Gray Army Air Field · Fort Lewis, 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 mi away
Near GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Frequently asked questions
How far is IRB from GRF?
The flight distance from Iraan (IRB) to Fort Lewis (GRF) is 1,566 miles (2,521 km, 1,361 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to GRF?
A nonstop flight takes about 3h 32m 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 Iraan and Fort Lewis?
Fort Lewis is 2 hours behind Iraan.
What is the cheapest way to fly from IRB to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–GRF that never appear on search engines, with no booking fees.