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RIW to GRF: distance & flight time
Riverton WY (Riverton Regional Airport) → Fort Lewis (Gray Army Air Field)
741 mi
1,193 km · 644 nm
2h 5m
estimated nonstop flight time
-1h
time difference · heading northwest
See live RIW→GRF fares Phone-only fares on this route — call free
Flight time details
741 miles nonstop takes roughly 2h 5m gate to gate, flying northwest. 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.
The two airports
- RIW — Riverton Regional Airport · Riverton WY, 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 RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 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 RIW from GRF?
The flight distance from Riverton WY (RIW) to Fort Lewis (GRF) is 741 miles (1,193 km, 644 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIW to GRF?
A nonstop flight takes about 2h 5m 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 Riverton WY and Fort Lewis?
Fort Lewis is 1 hour behind Riverton WY.
What is the cheapest way to fly from RIW to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–GRF that never appear on search engines, with no booking fees.