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GRM to AOO: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Altoona (Altoona Blair County Airport)
792 mi
1,275 km · 688 nm
2h 11m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRM→AOO fares Phone-only fares on this route — call free
Flight time details
792 miles nonstop takes roughly 2h 11m 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
- AOO — Altoona Blair County Airport · Altoona, 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 AOO
Frequently asked questions
How far is GRM from AOO?
The flight distance from Grand Marais (GRM) to Altoona (AOO) is 792 miles (1,275 km, 688 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to AOO?
A nonstop flight takes about 2h 11m 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 Altoona?
Altoona is 1 hour ahead of Grand Marais.
What is the cheapest way to fly from GRM to AOO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–AOO that never appear on search engines, with no booking fees.