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HSM to OSN: distance & flight time
Horsham (Horsham Airport) → Osan (Osan Air Base)
5,188 mi
8,349 km · 4,508 nm
10h 38m
estimated nonstop flight time
—
time difference · heading north
See live HSM→OSN fares Phone-only fares on this route — call free
Flight time details
5,188 miles nonstop takes roughly 10h 38m gate to gate, flying north. 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
- HSM — Horsham Airport · Horsham, Australia
- 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 HSM
- WKB · Warracknabeal Airport28 mi away
- SWC · Stawell Airport42 mi away
- ARY · Ararat Airport63 mi away
- HTU · Hopetoun Airport67 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 HSM from OSN?
The flight distance from Horsham (HSM) to Osan (OSN) is 5,188 miles (8,349 km, 4,508 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HSM to OSN?
A nonstop flight takes about 10h 38m 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 HSM to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HSM–OSN that never appear on search engines, with no booking fees.