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OIM to GRM: distance & flight time
Oshima (Oshima Airport) → Grand Marais (Grand Marais Cook County Airport)
5,955 mi
9,583 km · 5,174 nm
12h 9m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OIM→GRM fares Phone-only fares on this route — call free
Flight time details
5,955 miles nonstop takes roughly 12h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OIM — Oshima Airport · Oshima, Japan
- 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 OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 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 OIM from GRM?
The flight distance from Oshima (OIM) to Grand Marais (GRM) is 5,955 miles (9,583 km, 5,174 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIM to GRM?
A nonstop flight takes about 12h 9m 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 Oshima and Grand Marais?
Grand Marais is 14 hours behind Oshima.
What is the cheapest way to fly from OIM to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIM–GRM that never appear on search engines, with no booking fees.