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MGB to FSI: distance & flight time
Mount Gambier (Mount Gambier Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
9,185 mi
14,782 km · 7,982 nm
18h 29m
estimated nonstop flight time
-14.5h
time difference · heading east
See live MGB→FSI fares Phone-only fares on this route — call free
Flight time details
9,185 miles nonstop takes roughly 18h 29m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14.5-hour time set-back when reading arrival times on your ticket.
The two airports
- MGB — Mount Gambier Airport · Mount Gambier, 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 MGB
- NAC · Naracoorte Airport53 mi away
- PTJ · Portland Airport54 mi away
- HLT · Hamilton Airport70 mi away
- WMB · Warrnambool Airport98 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 MGB from FSI?
The flight distance from Mount Gambier (MGB) to Fort Sill (FSI) is 9,185 miles (14,782 km, 7,982 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MGB to FSI?
A nonstop flight takes about 18h 29m 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 Mount Gambier and Fort Sill?
Fort Sill is 14.5 hours behind Mount Gambier.
What is the cheapest way to fly from MGB to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGB–FSI that never appear on search engines, with no booking fees.