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HMY to GTF: distance & flight time
Seosan (Seosan Air Base) → Great Falls (Great Falls International Airport)
5,613 mi
9,034 km · 4,878 nm
11h 28m
estimated nonstop flight time
—
time difference · heading northeast
See live HMY→GTF fares Phone-only fares on this route — call free
Flight time details
5,613 miles nonstop takes roughly 11h 28m gate to gate, flying northeast. 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
- HMY — Seosan Air Base · Seosan, South Korea
- GTF — Great Falls International Airport · Great Falls, 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 HMY
- ICN · Incheon International Airport53 mi away
- OSN · Osan Air Base40 mi away
- SWU · Suwon Airport47 mi away
- KUV · Kunsan Air Base56 mi away
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is HMY from GTF?
The flight distance from Seosan (HMY) to Great Falls (GTF) is 5,613 miles (9,034 km, 4,878 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HMY to GTF?
A nonstop flight takes about 11h 28m 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 HMY to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HMY–GTF that never appear on search engines, with no booking fees.