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ONT to MGB: distance & flight time
Ontario (Ontario International Airport) → Mount Gambier (Mount Gambier Airport)
8,176 mi
13,159 km · 7,105 nm
16h 30m
estimated nonstop flight time
+16.5h
time difference · heading southwest
See live ONT→MGB fares Phone-only fares on this route — call free
Flight time details
8,176 miles nonstop takes roughly 16h 30m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16.5-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 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 ONT from MGB?
The flight distance from Ontario (ONT) to Mount Gambier (MGB) is 8,176 miles (13,159 km, 7,105 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to MGB?
A nonstop flight takes about 16h 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 Ontario and Mount Gambier?
Mount Gambier is 16.5 hours ahead of Ontario.
What is the cheapest way to fly from ONT to MGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–MGB that never appear on search engines, with no booking fees.