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GXY to OSN: distance & flight time
Greeley (Greeley–Weld County Airport) → Osan (Osan Air Base)
6,161 mi
9,915 km · 5,354 nm
12h 33m
estimated nonstop flight time
—
time difference · heading northwest
See live GXY→OSN fares Phone-only fares on this route — call free
Flight time details
6,161 miles nonstop takes roughly 12h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GXY — Greeley–Weld County Airport · Greeley, United States
- OSN — Osan Air Base · Osan, 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 GXY
- DEN · Denver International Airport40 mi away
- FNL · Northern Colorado Regional Airport20 mi away
- WBU · Boulder Municipal Airport42 mi away
- BJC · Rocky Mountain Metropolitan Airport45 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is GXY from OSN?
The flight distance from Greeley (GXY) to Osan (OSN) is 6,161 miles (9,915 km, 5,354 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GXY to OSN?
A nonstop flight takes about 12h 33m 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 cheapest way to fly from GXY to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GXY–OSN that never appear on search engines, with no booking fees.