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GRF to GUS: distance & flight time
Fort Lewis (Gray Army Air Field) → Peru (Grissom Air Reserve Base)
1,850 mi
2,978 km · 1,608 nm
4h 6m
estimated nonstop flight time
+3h
time difference · heading east
See live GRF→GUS fares Phone-only fares on this route — call free
Flight time details
1,850 miles nonstop takes roughly 4h 6m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- GUS — Grissom Air Reserve Base · Peru, 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 GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 mi away
Frequently asked questions
How far is GRF from GUS?
The flight distance from Fort Lewis (GRF) to Peru (GUS) is 1,850 miles (2,978 km, 1,608 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to GUS?
A nonstop flight takes about 4h 6m 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 Peru?
Peru is 3 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to GUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–GUS that never appear on search engines, with no booking fees.