Need help booking?
Unpublished phone-only deals available
ISN to THG: distance & flight time
Williston (Sloulin Field International Airport) → Biloela (Thangool Airport)
8,173 mi
13,154 km · 7,102 nm
16h 30m
estimated nonstop flight time
+15h
time difference · heading west
See live ISN→THG fares Phone-only fares on this route — call free
Flight time details
8,173 miles nonstop takes roughly 16h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- THG — Thangool Airport · Biloela, Australia
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 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
Near THG
- TDR · Theodore Airport46 mi away
- GLT · Gladstone Airport59 mi away
- ROK · Rockhampton Airport77 mi away
- GKL · Great Keppel Is Airport93 mi away
Frequently asked questions
How far is ISN from THG?
The flight distance from Williston (ISN) to Biloela (THG) is 8,173 miles (13,154 km, 7,102 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to THG?
A nonstop flight takes about 16h 30m 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 time difference between Williston and Biloela?
Biloela is 15 hours ahead of Williston.
What is the cheapest way to fly from ISN to THG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–THG that never appear on search engines, with no booking fees.