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OSF to GRM: distance & flight time
Moscow (Ostafyevo International Airport) → Grand Marais (Grand Marais Cook County Airport)
4,686 mi
7,541 km · 4,072 nm
9h 39m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OSF→GRM fares Phone-only fares on this route — call free
Flight time details
4,686 miles nonstop takes roughly 9h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- OSF — Ostafyevo International Airport · Moscow, Russia
- 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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 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 OSF from GRM?
The flight distance from Moscow (OSF) to Grand Marais (GRM) is 4,686 miles (7,541 km, 4,072 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSF to GRM?
A nonstop flight takes about 9h 39m 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 Moscow and Grand Marais?
Grand Marais is 8 hours behind Moscow.
What is the cheapest way to fly from OSF to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSF–GRM that never appear on search engines, with no booking fees.