Need help booking?
Unpublished phone-only deals available
ARM to FSI: distance & flight time
Armidale (Armidale Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,434 mi
13,573 km · 7,329 nm
17h
estimated nonstop flight time
-15h
time difference · heading northeast
See live ARM→FSI fares Phone-only fares on this route — call free
Flight time details
8,434 miles nonstop takes roughly 17h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- ARM — Armidale Airport · Armidale, Australia
- 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 ARM
- IVR · Inverell Airport52 mi away
- GLI · Glen Innes Airport59 mi away
- TMW · Tamworth Airport60 mi away
- KPS · Kempsey Airport78 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 ARM from FSI?
The flight distance from Armidale (ARM) to Fort Sill (FSI) is 8,434 miles (13,573 km, 7,329 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ARM to FSI?
A nonstop flight takes about 17h 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 Armidale and Fort Sill?
Fort Sill is 15 hours behind Armidale.
What is the cheapest way to fly from ARM to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ARM–FSI that never appear on search engines, with no booking fees.