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GRM to ECA: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → East Tawas (Iosco County Airport)
413 mi
664 km · 359 nm
1h 22m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GRM→ECA fares Phone-only fares on this route — call free
Flight time details
413 miles nonstop takes roughly 1h 22m 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
- ECA — Iosco County Airport · East Tawas, 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 ECA
- OSC · Oscoda Wurtsmith Airport10 mi away
- APN · Alpena County Regional Airport53 mi away
- GDW · Gladwin Zettel Memorial Airport57 mi away
- HTL · Roscommon County - Blodgett Memorial Airport62 mi away
Frequently asked questions
How far is GRM from ECA?
The flight distance from Grand Marais (GRM) to East Tawas (ECA) is 413 miles (664 km, 359 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to ECA?
A nonstop flight takes about 1h 22m 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 East Tawas?
East Tawas is 1 hour ahead of Grand Marais.
What is the cheapest way to fly from GRM to ECA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–ECA that never appear on search engines, with no booking fees.