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GCK to FSI: distance & flight time
Garden City (Garden City Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
261 mi
420 km · 227 nm
1h 9m
estimated nonstop flight time
Same time
time difference · heading southeast
See live GCK→FSI fares Phone-only fares on this route — call free
Flight time details
261 miles nonstop takes roughly 1h 9m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GCK — Garden City Regional Airport · Garden City, 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 GCK
- DDC · Dodge City Regional Airport43 mi away
- LBL · Liberal Mid-America Regional Airport62 mi away
- GUY · Guymon Municipal Airport96 mi away
- HYS · Hays Regional Airport101 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 GCK from FSI?
The flight distance from Garden City (GCK) to Fort Sill (FSI) is 261 miles (420 km, 227 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCK to FSI?
A nonstop flight takes about 1h 9m 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 cheapest way to fly from GCK to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCK–FSI that never appear on search engines, with no booking fees.