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GAJ to FSI: distance & flight time
Yamagata (Yamagata Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
6,143 mi
9,886 km · 5,338 nm
12h 31m
estimated nonstop flight time
-14h
time difference · heading northeast
See live GAJ→FSI fares Phone-only fares on this route — call free
Flight time details
6,143 miles nonstop takes roughly 12h 31m 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
- GAJ — Yamagata Airport · Yamagata, 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 GAJ
- SDJ · Sendai Airport35 mi away
- SYO · Shonai Airport42 mi away
- KIJ · Niigata Airport75 mi away
- HNA · Hanamaki Airport81 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 GAJ from FSI?
The flight distance from Yamagata (GAJ) to Fort Sill (FSI) is 6,143 miles (9,886 km, 5,338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAJ to FSI?
A nonstop flight takes about 12h 31m 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 Yamagata and Fort Sill?
Fort Sill is 14 hours behind Yamagata.
What is the cheapest way to fly from GAJ to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAJ–FSI that never appear on search engines, with no booking fees.