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OKJ to FSI: distance & flight time
Okayama (Okayama Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,573 mi
10,579 km · 5,712 nm
13h 21m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OKJ→FSI fares Phone-only fares on this route — call free
Flight time details
6,573 miles nonstop takes roughly 13h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OKJ — Okayama Airport · Okayama, Japan
- 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 OKJ
- TAK · Takamatsu Airport39 mi away
- TTJ · Tottori Airport56 mi away
- HIJ · Hiroshima Airport58 mi away
- TKS · Tokushima Airport/JMSDF Air Base61 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 OKJ from FSI?
The flight distance from Okayama (OKJ) to Fort Sill (FSI) is 6,573 miles (10,579 km, 5,712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKJ to FSI?
A nonstop flight takes about 13h 21m 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 Okayama and Fort Sill?
Fort Sill is 14 hours behind Okayama.
What is the cheapest way to fly from OKJ to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKJ–FSI that never appear on search engines, with no booking fees.