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UMR to GRM: distance & flight time
Woomera (Woomera Airfield) → Grand Marais (Grand Marais Cook County Airport)
9,721 mi
15,644 km · 8,447 nm
19h 32m
estimated nonstop flight time
-14.5h
time difference · heading northeast
See live UMR→GRM fares Phone-only fares on this route — call free
Flight time details
9,721 miles nonstop takes roughly 19h 32m 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
- UMR — Woomera Airfield · Woomera, 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 UMR
- OLP · Olympic Dam Airport46 mi away
- LGH · Leigh Creek Airport103 mi away
- PUG · Port Augusta Airport108 mi away
- PXH · Prominent Hill Airport125 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 UMR from GRM?
The flight distance from Woomera (UMR) to Grand Marais (GRM) is 9,721 miles (15,644 km, 8,447 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UMR to GRM?
A nonstop flight takes about 19h 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 Woomera and Grand Marais?
Grand Marais is 14.5 hours behind Woomera.
What is the cheapest way to fly from UMR to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UMR–GRM that never appear on search engines, with no booking fees.