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KFS to FSI: distance & flight time
Kastamonu (Kastamonu Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,376 mi
10,260 km · 5,540 nm
12h 58m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KFS→FSI fares Phone-only fares on this route — call free
Flight time details
6,376 miles nonstop takes roughly 12h 58m 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
- KFS — Kastamonu Airport · Kastamonu, Turkey
- 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 KFS
- NOP · Sinop Airport82 mi away
- ONQ · Zonguldak Airport89 mi away
- ESB · Esenboğa International Airport92 mi away
- MZH · Amasya Merzifon Airport96 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 KFS from FSI?
The flight distance from Kastamonu (KFS) to Fort Sill (FSI) is 6,376 miles (10,260 km, 5,540 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KFS to FSI?
A nonstop flight takes about 12h 58m 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 Kastamonu and Fort Sill?
Fort Sill is 8 hours behind Kastamonu.
What is the cheapest way to fly from KFS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KFS–FSI that never appear on search engines, with no booking fees.