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MGB to GRM: distance & flight time
Mount Gambier (Mount Gambier Airport) → Grand Marais (Grand Marais Cook County Airport)
9,802 mi
15,775 km · 8,518 nm
19h 41m
estimated nonstop flight time
-14.5h
time difference · heading northeast
See live MGB→GRM fares Phone-only fares on this route — call free
Flight time details
9,802 miles nonstop takes roughly 19h 41m gate to gate, flying northeast. 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
- GRM — Grand Marais Cook County Airport · Grand Marais, 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 GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Frequently asked questions
How far is MGB from GRM?
The flight distance from Mount Gambier (MGB) to Grand Marais (GRM) is 9,802 miles (15,775 km, 8,518 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MGB to GRM?
A nonstop flight takes about 19h 41m 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 Grand Marais?
Grand Marais is 14.5 hours behind Mount Gambier.
What is the cheapest way to fly from MGB to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGB–GRM that never appear on search engines, with no booking fees.