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HSM to ROI: distance & flight time
Horsham (Horsham Airport) → Roi Et (Roi Et Airport)
4,423 mi
7,118 km · 3,844 nm
9h 8m
estimated nonstop flight time
—
time difference · heading northwest
See live HSM→ROI fares Phone-only fares on this route — call free
Flight time details
4,423 miles nonstop takes roughly 9h 8m 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
- ROI — Roi Et Airport · Roi Et, Thailand
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is HSM from ROI?
The flight distance from Horsham (HSM) to Roi Et (ROI) is 4,423 miles (7,118 km, 3,844 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HSM to ROI?
A nonstop flight takes about 9h 8m 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 ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HSM–ROI that never appear on search engines, with no booking fees.