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GRF to MUO: distance & flight time
Fort Lewis (Gray Army Air Field) → Mountain Home (Mountain Home Air Force Base)
430 mi
692 km · 373 nm
1h 24m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRF→MUO fares Phone-only fares on this route — call free
Flight time details
430 miles nonstop takes roughly 1h 24m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- MUO — Mountain Home Air Force Base · Mountain Home, 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 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
Near MUO
- BOI · Boise Air Terminal/Gowen Field40 mi away
- TWF · Joslin Field Magic Valley Regional Airport80 mi away
- SUN · Friedman Memorial Airport85 mi away
- ONO · Ontario Municipal Airport88 mi away
Frequently asked questions
How far is GRF from MUO?
The flight distance from Fort Lewis (GRF) to Mountain Home (MUO) is 430 miles (692 km, 373 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to MUO?
A nonstop flight takes about 1h 24m 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 Fort Lewis and Mountain Home?
Mountain Home is 1 hour ahead of Fort Lewis.
What is the cheapest way to fly from GRF to MUO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–MUO that never appear on search engines, with no booking fees.