Need help booking?
Unpublished phone-only deals available
HSM to ISN: distance & flight time
Horsham (Horsham Airport) → Williston (Sloulin Field International Airport)
9,094 mi
14,635 km · 7,902 nm
18h 18m
estimated nonstop flight time
—
time difference · heading northeast
See live HSM→ISN fares Phone-only fares on this route — call free
Flight time details
9,094 miles nonstop takes roughly 18h 18m gate to gate, flying northeast. 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
- ISN — Sloulin Field International Airport · Williston, United States
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is HSM from ISN?
The flight distance from Horsham (HSM) to Williston (ISN) is 9,094 miles (14,635 km, 7,902 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HSM to ISN?
A nonstop flight takes about 18h 18m 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 ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HSM–ISN that never appear on search engines, with no booking fees.