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FSI to GKL: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Great Keppel Island (Great Keppel Is Airport)
8,248 mi
13,274 km · 7,168 nm
16h 38m
estimated nonstop flight time
+15h
time difference · heading west
See live FSI→GKL fares Phone-only fares on this route — call free
Flight time details
8,248 miles nonstop takes roughly 16h 38m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-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
- GKL — Great Keppel Is Airport · Great Keppel Island, Australia
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 GKL
- ROK · Rockhampton Airport33 mi away
- GLT · Gladstone Airport51 mi away
- THG · Thangool Airport93 mi away
- TDR · Theodore Airport136 mi away
Frequently asked questions
How far is FSI from GKL?
The flight distance from Fort Sill (FSI) to Great Keppel Island (GKL) is 8,248 miles (13,274 km, 7,168 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to GKL?
A nonstop flight takes about 16h 38m 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 Great Keppel Island?
Great Keppel Island is 15 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to GKL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–GKL that never appear on search engines, with no booking fees.