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FSI to HMY: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Seosan (Seosan Air Base)
6,724 mi
10,822 km · 5,843 nm
13h 39m
estimated nonstop flight time
—
time difference · heading northwest
See live FSI→HMY fares Phone-only fares on this route — call free
Flight time details
6,724 miles nonstop takes roughly 13h 39m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- HMY — Seosan Air Base · Seosan, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
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
Frequently asked questions
How far is FSI from HMY?
The flight distance from Fort Sill (FSI) to Seosan (HMY) is 6,724 miles (10,822 km, 5,843 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to HMY?
A nonstop flight takes about 13h 39m 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 FSI to HMY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–HMY that never appear on search engines, with no booking fees.