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GTF to GRM: distance & flight time
Great Falls (Great Falls International Airport) → Grand Marais (Grand Marais Cook County Airport)
974 mi
1,568 km · 846 nm
2h 35m
estimated nonstop flight time
+1h
time difference · heading east
See live GTF→GRM fares Phone-only fares on this route — call free
Flight time details
974 miles nonstop takes roughly 2h 35m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from GRM?
The flight distance from Great Falls (GTF) to Grand Marais (GRM) is 974 miles (1,568 km, 846 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to GRM?
A nonstop flight takes about 2h 35m 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 Great Falls and Grand Marais?
Grand Marais is 1 hour ahead of Great Falls.
What is the cheapest way to fly from GTF to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–GRM that never appear on search engines, with no booking fees.