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PSM to MGB: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Mount Gambier (Mount Gambier Airport)
10,744 mi
17,291 km · 9,337 nm
21h 32m
estimated nonstop flight time
+13.5h
time difference · heading west
See live PSM→MGB fares Phone-only fares on this route — call free
Flight time details
10,744 miles nonstop takes roughly 21h 32m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13.5-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 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 PSM from MGB?
The flight distance from Portsmouth (PSM) to Mount Gambier (MGB) is 10,744 miles (17,291 km, 9,337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to MGB?
A nonstop flight takes about 21h 32m 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 Portsmouth and Mount Gambier?
Mount Gambier is 13.5 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to MGB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–MGB that never appear on search engines, with no booking fees.