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KKC to FSI: distance & flight time
Khon Kaen (Khon Kaen Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,641 mi
13,906 km · 7,509 nm
17h 25m
estimated nonstop flight time
-12h
time difference · heading north
See live KKC→FSI fares Phone-only fares on this route — call free
Flight time details
8,641 miles nonstop takes roughly 17h 25m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- KKC — Khon Kaen Airport · Khon Kaen, Thailand
- 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 KKC
- UTH · Udon Thani Airport64 mi away
- ROI · Roi Et Airport70 mi away
- BFV · Buri Ram Airport91 mi away
- LOE · Loei Airport97 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 KKC from FSI?
The flight distance from Khon Kaen (KKC) to Fort Sill (FSI) is 8,641 miles (13,906 km, 7,509 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKC to FSI?
A nonstop flight takes about 17h 25m 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 Khon Kaen and Fort Sill?
Fort Sill is 12 hours behind Khon Kaen.
What is the cheapest way to fly from KKC to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKC–FSI that never appear on search engines, with no booking fees.