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GRM to OSY: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Namsos (Namsos Høknesøra Airport)
3,627 mi
5,836 km · 3,151 nm
7h 35m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GRM→OSY fares Phone-only fares on this route — call free
Flight time details
3,627 miles nonstop takes roughly 7h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- OSY — Namsos Høknesøra Airport · Namsos, Norway
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 OSY
- RVK · Rørvik Airport, Ryum28 mi away
- BNN · Brønnøysund Airport71 mi away
- TRD · Trondheim Airport Værnes73 mi away
- OLA · Ørland Airport80 mi away
Frequently asked questions
How far is GRM from OSY?
The flight distance from Grand Marais (GRM) to Namsos (OSY) is 3,627 miles (5,836 km, 3,151 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to OSY?
A nonstop flight takes about 7h 35m 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 Namsos?
Namsos is 7 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to OSY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–OSY that never appear on search engines, with no booking fees.