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GRM to YOO: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Oshawa (Toronto/Oshawa Executive Airport)
614 mi
989 km · 534 nm
1h 48m
estimated nonstop flight time
+1h
time difference · heading east
See live GRM→YOO fares Phone-only fares on this route — call free
Flight time details
614 miles nonstop takes roughly 1h 48m 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
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- YOO — Toronto/Oshawa Executive Airport · Oshawa, Canada
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 YOO
- YYZ · Lester B. Pearson International Airport40 mi away
- YKZ · Buttonville Municipal Airport24 mi away
- YZD · Downsview Airport31 mi away
- YTZ · Billy Bishop Toronto City Centre Airport32 mi away
Frequently asked questions
How far is GRM from YOO?
The flight distance from Grand Marais (GRM) to Oshawa (YOO) is 614 miles (989 km, 534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to YOO?
A nonstop flight takes about 1h 48m 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 Oshawa?
Oshawa is 1 hour ahead of Grand Marais.
What is the cheapest way to fly from GRM to YOO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–YOO that never appear on search engines, with no booking fees.