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FSI to NJA: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Atsugi (Atsugi Naval Air Facility)
6,324 mi
10,178 km · 5,496 nm
12h 52m
estimated nonstop flight time
+14h
time difference · heading northwest
See live FSI→NJA fares Phone-only fares on this route — call free
Flight time details
6,324 miles nonstop takes roughly 12h 52m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
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 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
Near NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 mi away
Frequently asked questions
How far is FSI from NJA?
The flight distance from Fort Sill (FSI) to Atsugi (NJA) is 6,324 miles (10,178 km, 5,496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to NJA?
A nonstop flight takes about 12h 52m 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 Fort Sill and Atsugi?
Atsugi is 14 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to NJA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–NJA that never appear on search engines, with no booking fees.