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GMP to FNL: distance & flight time
Seoul (Gimpo International Airport) → Fort Collins (Northern Colorado Regional Airport)
6,129 mi
9,864 km · 5,326 nm
12h 29m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GMP→FNL fares Phone-only fares on this route — call free
Flight time details
6,129 miles nonstop takes roughly 12h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Frequently asked questions
How far is GMP from FNL?
The flight distance from Seoul (GMP) to Fort Collins (FNL) is 6,129 miles (9,864 km, 5,326 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to FNL?
A nonstop flight takes about 12h 29m 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 Fort Collins?
Fort Collins is 15 hours behind Seoul.
What is the cheapest way to fly from GMP to FNL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–FNL that never appear on search engines, with no booking fees.