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USN to GRM: distance & flight time
Ulsan (Ulsan Airport) → Grand Marais (Grand Marais Cook County Airport)
6,172 mi
9,933 km · 5,363 nm
12h 34m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→GRM fares Phone-only fares on this route — call free
Flight time details
6,172 miles nonstop takes roughly 12h 34m 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
- USN — Ulsan Airport · Ulsan, 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 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 USN from GRM?
The flight distance from Ulsan (USN) to Grand Marais (GRM) is 6,172 miles (9,933 km, 5,363 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to GRM?
A nonstop flight takes about 12h 34m 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 Ulsan and Grand Marais?
Grand Marais is 14 hours behind Ulsan.
What is the cheapest way to fly from USN to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–GRM that never appear on search engines, with no booking fees.