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GRF to YRM: distance & flight time
Fort Lewis (Gray Army Air Field) → Rocky Mountain House (Rocky Mountain House Airport)
504 mi
810 km · 438 nm
1h 34m
estimated nonstop flight time
+1h
time difference · heading northeast
See live GRF→YRM fares Phone-only fares on this route — call free
Flight time details
504 miles nonstop takes roughly 1h 34m gate to gate, flying northeast. 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
- YRM — Rocky Mountain House Airport · Rocky Mountain House, Canada
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 YRM
- YQF · Red Deer Regional Airport46 mi away
- YEG · Edmonton International Airport82 mi away
- YBA · Banff Airport89 mi away
- YXD · Edmonton City Centre (Blatchford Field) Airport98 mi away
Frequently asked questions
How far is GRF from YRM?
The flight distance from Fort Lewis (GRF) to Rocky Mountain House (YRM) is 504 miles (810 km, 438 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to YRM?
A nonstop flight takes about 1h 34m 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 Rocky Mountain House?
Rocky Mountain House is 1 hour ahead of Fort Lewis.
What is the cheapest way to fly from GRF to YRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–YRM that never appear on search engines, with no booking fees.