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OSH to GRF: distance & flight time
Oshkosh (Wittman Regional Airport) → Fort Lewis (Gray Army Air Field)
1,647 mi
2,651 km · 1,432 nm
3h 42m
estimated nonstop flight time
-2h
time difference · heading west
See live OSH→GRF fares Phone-only fares on this route — call free
Flight time details
1,647 miles nonstop takes roughly 3h 42m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSH — Wittman Regional Airport · Oshkosh, 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 OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 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 OSH from GRF?
The flight distance from Oshkosh (OSH) to Fort Lewis (GRF) is 1,647 miles (2,651 km, 1,432 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSH to GRF?
A nonstop flight takes about 3h 42m 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 Oshkosh and Fort Lewis?
Fort Lewis is 2 hours behind Oshkosh.
What is the cheapest way to fly from OSH to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSH–GRF that never appear on search engines, with no booking fees.