Need help booking?
Unpublished phone-only deals available
IMT to GMP: distance & flight time
Iron Mountain (Ford Airport) → Seoul (Gimpo International Airport)
6,282 mi
10,109 km · 5,459 nm
12h 47m
estimated nonstop flight time
+14h
time difference · heading northwest
See live IMT→GMP fares Phone-only fares on this route — call free
Flight time details
6,282 miles nonstop takes roughly 12h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- IMT — Ford Airport · Iron Mountain, United States
- GMP — Gimpo International Airport · Seoul, South Korea
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 IMT
- ESC · Delta County Airport50 mi away
- MQT · Sawyer International Airport51 mi away
- MNM · Menominee Regional Airport53 mi away
- EGV · Eagle River Union Airport56 mi away
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
Frequently asked questions
How far is IMT from GMP?
The flight distance from Iron Mountain (IMT) to Seoul (GMP) is 6,282 miles (10,109 km, 5,459 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IMT to GMP?
A nonstop flight takes about 12h 47m 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 Iron Mountain and Seoul?
Seoul is 14 hours ahead of Iron Mountain.
What is the cheapest way to fly from IMT to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IMT–GMP that never appear on search engines, with no booking fees.