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SDY to HMY: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Seosan (Seosan Air Base)
5,821 mi
9,368 km · 5,058 nm
11h 53m
estimated nonstop flight time
—
time difference · heading northwest
See live SDY→HMY fares Phone-only fares on this route — call free
Flight time details
5,821 miles nonstop takes roughly 11h 53m 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
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from HMY?
The flight distance from Sidney (SDY) to Seosan (HMY) is 5,821 miles (9,368 km, 5,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to HMY?
A nonstop flight takes about 11h 53m 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 SDY to HMY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–HMY that never appear on search engines, with no booking fees.