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FSI to GBG: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Galesburg (Galesburg Municipal Airport)
614 mi
989 km · 534 nm
1h 48m
estimated nonstop flight time
—
time difference · heading northeast
See live FSI→GBG fares Phone-only fares on this route — call free
Flight time details
614 miles nonstop takes roughly 1h 48m gate to gate, flying northeast. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- GBG — Galesburg Municipal Airport · Galesburg, 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 GBG
Frequently asked questions
How far is FSI from GBG?
The flight distance from Fort Sill (FSI) to Galesburg (GBG) is 614 miles (989 km, 534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to GBG?
A nonstop flight takes about 1h 48m 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 FSI to GBG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–GBG that never appear on search engines, with no booking fees.