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GRM to GUS: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Peru (Grissom Air Reserve Base)
539 mi
867 km · 468 nm
1h 38m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRM→GUS fares Phone-only fares on this route — call free
Flight time details
539 miles nonstop takes roughly 1h 38m gate to gate, flying southeast. 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
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- GUS — Grissom Air Reserve Base · Peru, 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 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
Near GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 mi away
Frequently asked questions
How far is GRM from GUS?
The flight distance from Grand Marais (GRM) to Peru (GUS) is 539 miles (867 km, 468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to GUS?
A nonstop flight takes about 1h 38m 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 Grand Marais and Peru?
Peru is 1 hour ahead of Grand Marais.
What is the cheapest way to fly from GRM to GUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–GUS that never appear on search engines, with no booking fees.