Need help booking?
Unpublished phone-only deals available
GAI to GRF: distance & flight time
Gaithersburg (Montgomery County Airpark) → Fort Lewis (Gray Army Air Field)
2,320 mi
3,734 km · 2,016 nm
5h 1m
estimated nonstop flight time
-3h
time difference · heading northwest
See live GAI→GRF fares Phone-only fares on this route — call free
Flight time details
2,320 miles nonstop takes roughly 5h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, 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 GAI
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 GAI from GRF?
The flight distance from Gaithersburg (GAI) to Fort Lewis (GRF) is 2,320 miles (3,734 km, 2,016 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to GRF?
A nonstop flight takes about 5h 1m 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 Gaithersburg and Fort Lewis?
Fort Lewis is 3 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–GRF that never appear on search engines, with no booking fees.