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GMP to ISM: distance & flight time
Seoul (Gimpo International Airport) → Kissimmee (Kissimmee Gateway Airport)
7,534 mi
12,124 km · 6,546 nm
15h 14m
estimated nonstop flight time
-13h
time difference · heading northeast
See live GMP→ISM fares Phone-only fares on this route — call free
Flight time details
7,534 miles nonstop takes roughly 15h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Frequently asked questions
How far is GMP from ISM?
The flight distance from Seoul (GMP) to Kissimmee (ISM) is 7,534 miles (12,124 km, 6,546 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to ISM?
A nonstop flight takes about 15h 14m 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 Seoul and Kissimmee?
Kissimmee is 13 hours behind Seoul.
What is the cheapest way to fly from GMP to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–ISM that never appear on search engines, with no booking fees.