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FSI to FTK: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Fort Knox (Godman Army Air Field)
727 mi
1,171 km · 632 nm
2h 3m
estimated nonstop flight time
+1h
time difference · heading east
See live FSI→FTK fares Phone-only fares on this route — call free
Flight time details
727 miles nonstop takes roughly 2h 3m gate to gate, flying east. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- FTK — Godman Army Air Field · Fort Knox, 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 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
Near FTK
- SDF · Louisville International Standiford Field22 mi away
- LOU · Bowman Field28 mi away
- GLW · Glasgow Municipal Airport60 mi away
- FFT · Capital City Airport61 mi away
Frequently asked questions
How far is FSI from FTK?
The flight distance from Fort Sill (FSI) to Fort Knox (FTK) is 727 miles (1,171 km, 632 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to FTK?
A nonstop flight takes about 2h 3m 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 Sill and Fort Knox?
Fort Knox is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to FTK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–FTK that never appear on search engines, with no booking fees.