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GFF to ISN: distance & flight time
Griffith (Griffith Airport) → Williston (Sloulin Field International Airport)
8,818 mi
14,192 km · 7,663 nm
17h 45m
estimated nonstop flight time
-15h
time difference · heading northeast
See live GFF→ISN fares Phone-only fares on this route — call free
Flight time details
8,818 miles nonstop takes roughly 17h 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- GFF — Griffith Airport · Griffith, 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 GFF
- NRA · Narrandera Airport40 mi away
- WWY · West Wyalong Airport68 mi away
- HXX · Hay Airport73 mi away
- TEM · Temora Airport83 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 GFF from ISN?
The flight distance from Griffith (GFF) to Williston (ISN) is 8,818 miles (14,192 km, 7,663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GFF to ISN?
A nonstop flight takes about 17h 45m 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 Griffith and Williston?
Williston is 15 hours behind Griffith.
What is the cheapest way to fly from GFF to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFF–ISN that never appear on search engines, with no booking fees.