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YTH to GRM: distance & flight time
Thompson (Thompson Airport) → Grand Marais (Grand Marais Cook County Airport)
635 mi
1,023 km · 552 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading southeast
See live YTH→GRM fares Phone-only fares on this route — call free
Flight time details
635 miles nonstop takes roughly 1h 51m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YTH — Thompson Airport · Thompson, Canada
- 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 YTH
- PIW · Pikwitonei Airport31 mi away
- YTD · Thicket Portage Airport34 mi away
- KES · Kelsey Airport55 mi away
- ZAC · York Landing Airport72 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 YTH from GRM?
The flight distance from Thompson (YTH) to Grand Marais (GRM) is 635 miles (1,023 km, 552 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YTH to GRM?
A nonstop flight takes about 1h 51m 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 cheapest way to fly from YTH to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YTH–GRM that never appear on search engines, with no booking fees.