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GDW to FSI: distance & flight time
Gladwin (Gladwin Zettel Memorial Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
982 mi
1,580 km · 853 nm
2h 36m
estimated nonstop flight time
-1h
time difference · heading southwest
See live GDW→FSI fares Phone-only fares on this route — call free
Flight time details
982 miles nonstop takes roughly 2h 36m gate to gate, flying southwest. 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
- GDW — Gladwin Zettel Memorial Airport · Gladwin, United States
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 GDW
- HTL · Roscommon County - Blodgett Memorial Airport29 mi away
- MBS · MBS International Airport36 mi away
- AMN · Gratiot Community Airport46 mi away
- ECA · Iosco County Airport57 mi away
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is GDW from FSI?
The flight distance from Gladwin (GDW) to Fort Sill (FSI) is 982 miles (1,580 km, 853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GDW to FSI?
A nonstop flight takes about 2h 36m 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 Gladwin and Fort Sill?
Fort Sill is 1 hour behind Gladwin.
What is the cheapest way to fly from GDW to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GDW–FSI that never appear on search engines, with no booking fees.