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GMP to BJC: distance & flight time
Seoul (Gimpo International Airport) → Broomfield-CO (Rocky Mountain Metropolitan Airport)
6,155 mi
9,906 km · 5,349 nm
12h 32m
estimated nonstop flight time
-16h
time difference · heading northeast
See live GMP→BJC fares Phone-only fares on this route — call free
Flight time details
6,155 miles nonstop takes roughly 12h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- BJC — Rocky Mountain Metropolitan Airport · Broomfield-CO, 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 BJC
- DEN · Denver International Airport24 mi away
- WBU · Boulder Municipal Airport11 mi away
- BFK · Buckley Air Force Base24 mi away
- APA · Centennial Airport27 mi away
Frequently asked questions
How far is GMP from BJC?
The flight distance from Seoul (GMP) to Broomfield-CO (BJC) is 6,155 miles (9,906 km, 5,349 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to BJC?
A nonstop flight takes about 12h 32m 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 BJC?
Nonstop service on GMP–BJC 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 32m nonstop estimate.
What is the time difference between Seoul and Broomfield-CO?
Broomfield-CO is 16 hours behind Seoul.
What is the cheapest way to fly from GMP to BJC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–BJC that never appear on search engines, with no booking fees.
Why are some GMP to BJC fares phone-only?
Consolidator contracts let us sell certain GMP–BJC 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.