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BTM to GRF: distance & flight time

Butte (Bert Mooney Airport) → Fort Lewis (Gray Army Air Field)

485 mi
781 km · 422 nm
1h 31m
estimated nonstop flight time
-1h
time difference · heading west
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Flight time details

485 miles nonstop takes roughly 1h 31m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is BTM from GRF?

The flight distance from Butte (BTM) to Fort Lewis (GRF) is 485 miles (781 km, 422 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from BTM to GRF?

A nonstop flight takes about 1h 31m 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 Butte and Fort Lewis?

Fort Lewis is 1 hour behind Butte.

What is the cheapest way to fly from BTM to GRF?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–GRF that never appear on search engines, with no booking fees.
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