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KUN to FSI: distance & flight time
Kaunas (Kaunas International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
5,373 mi
8,647 km · 4,669 nm
11h
estimated nonstop flight time
-8h
time difference · heading northwest
See live KUN→FSI fares Phone-only fares on this route — call free
Flight time details
5,373 miles nonstop takes roughly 11h gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- KUN — Kaunas International Airport · Kaunas, Lithuania
- 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 KUN
- VNO · Vilnius International Airport53 mi away
- PNV · Panevėžys Air Base55 mi away
- SQQ · Šiauliai International Airport70 mi away
- HLJ · Barysiai Airport79 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 KUN from FSI?
The flight distance from Kaunas (KUN) to Fort Sill (FSI) is 5,373 miles (8,647 km, 4,669 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KUN to FSI?
A nonstop flight takes about 11h 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 Kaunas and Fort Sill?
Fort Sill is 8 hours behind Kaunas.
What is the cheapest way to fly from KUN to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUN–FSI that never appear on search engines, with no booking fees.