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HSM to REP: distance & flight time
Horsham (Horsham Airport) → Siem-reap (Siem Reap International Airport)
4,267 mi
6,867 km · 3,708 nm
8h 50m
estimated nonstop flight time
—
time difference · heading northwest
See live HSM→REP fares Phone-only fares on this route — call free
Flight time details
4,267 miles nonstop takes roughly 8h 50m 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
- HSM — Horsham Airport · Horsham, Australia
- REP — Siem Reap International Airport · Siem-reap, Cambodia
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is HSM from REP?
The flight distance from Horsham (HSM) to Siem-reap (REP) is 4,267 miles (6,867 km, 3,708 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HSM to REP?
A nonstop flight takes about 8h 50m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HSM to REP?
Nonstop service on HSM–REP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 50m nonstop estimate.
What is the cheapest way to fly from HSM to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HSM–REP that never appear on search engines, with no booking fees.
Why are some HSM to REP fares phone-only?
Consolidator contracts let us sell certain HSM–REP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.