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MGB to PSM: distance & flight time
Mount Gambier (Mount Gambier Airport) → Portsmouth (Portsmouth International at Pease Airport)
10,744 mi
17,291 km · 9,337 nm
21h 32m
estimated nonstop flight time
-13.5h
time difference · heading northeast
See live MGB→PSM fares Phone-only fares on this route — call free
Flight time details
10,744 miles nonstop takes roughly 21h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13.5-hour time set-back when reading arrival times on your ticket.
The two airports
- MGB — Mount Gambier Airport · Mount Gambier, Australia
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 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
Frequently asked questions
How far is MGB from PSM?
The flight distance from Mount Gambier (MGB) to Portsmouth (PSM) 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 MGB to PSM?
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 Mount Gambier and Portsmouth?
Portsmouth is 13.5 hours behind Mount Gambier.
What is the cheapest way to fly from MGB to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGB–PSM that never appear on search engines, with no booking fees.