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OIT to FSI: distance & flight time
Oita (Oita Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,719 mi
10,813 km · 5,839 nm
13h 38m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OIT→FSI fares Phone-only fares on this route — call free
Flight time details
6,719 miles nonstop takes roughly 13h 38m 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
- OIT — Oita Airport · Oita, 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 OIT
- UBJ · Yamaguchi Ube Airport41 mi away
- KKJ · Kitakyūshū Airport48 mi away
- IWK · Iwakuni Marine Corps Air Station54 mi away
- MYJ · Matsuyama Airport60 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 OIT from FSI?
The flight distance from Oita (OIT) to Fort Sill (FSI) is 6,719 miles (10,813 km, 5,839 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIT to FSI?
A nonstop flight takes about 13h 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 Oita and Fort Sill?
Fort Sill is 14 hours behind Oita.
What is the cheapest way to fly from OIT to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIT–FSI that never appear on search engines, with no booking fees.