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ISN to MGB: distance & flight time
Williston (Sloulin Field International Airport) → Mount Gambier (Mount Gambier Airport)
9,199 mi
14,805 km · 7,994 nm
18h 30m
estimated nonstop flight time
+14.5h
time difference · heading west
See live ISN→MGB fares Phone-only fares on this route — call free
Flight time details
9,199 miles nonstop takes roughly 18h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14.5-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- MGB — Mount Gambier Airport · Mount Gambier, Australia
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near MGB
- NAC · Naracoorte Airport53 mi away
- PTJ · Portland Airport54 mi away
- HLT · Hamilton Airport70 mi away
- WMB · Warrnambool Airport98 mi away
Frequently asked questions
How far is ISN from MGB?
The flight distance from Williston (ISN) to Mount Gambier (MGB) is 9,199 miles (14,805 km, 7,994 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to MGB?
A nonstop flight takes about 18h 30m 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 Williston and Mount Gambier?
Mount Gambier is 14.5 hours ahead of Williston.
What is the cheapest way to fly from ISN to MGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–MGB that never appear on search engines, with no booking fees.