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GMP to GRM: distance & flight time
Seoul (Gimpo International Airport) → Grand Marais (Grand Marais Cook County Airport)
6,108 mi
9,830 km · 5,308 nm
12h 27m
estimated nonstop flight time
-14h
time difference · heading northeast
See live GMP→GRM fares Phone-only fares on this route — call free
Flight time details
6,108 miles nonstop takes roughly 12h 27m 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
- GMP — Gimpo International Airport · Seoul, South Korea
- 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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 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 GMP from GRM?
The flight distance from Seoul (GMP) to Grand Marais (GRM) is 6,108 miles (9,830 km, 5,308 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to GRM?
A nonstop flight takes about 12h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GMP to GRM?
Nonstop service on GMP–GRM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 27m nonstop estimate.
What is the time difference between Seoul and Grand Marais?
Grand Marais is 14 hours behind Seoul.
What is the cheapest way to fly from GMP to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–GRM that never appear on search engines, with no booking fees.
Why are some GMP to GRM fares phone-only?
Consolidator contracts let us sell certain GMP–GRM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.