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GBZ to ISN: distance & flight time
Claris (Great Barrier Aerodrome) → Williston (Sloulin Field International Airport)
7,657 mi
12,322 km · 6,653 nm
15h 29m
estimated nonstop flight time
-19h
time difference · heading northeast
See live GBZ→ISN fares Phone-only fares on this route — call free
Flight time details
7,657 miles nonstop takes roughly 15h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 19-hour time set-back when reading arrival times on your ticket.
The two airports
- GBZ — Great Barrier Aerodrome · Claris, New Zealand
- 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 GBZ
- WTZ · Whitianga Airport42 mi away
- WIK · Waiheke Reeve Airport45 mi away
- AMZ · Ardmore Airport61 mi away
- AKL · Auckland International Airport65 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 GBZ from ISN?
The flight distance from Claris (GBZ) to Williston (ISN) is 7,657 miles (12,322 km, 6,653 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GBZ to ISN?
A nonstop flight takes about 15h 29m 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 GBZ to ISN?
Nonstop service on GBZ–ISN 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 15h 29m nonstop estimate.
What is the time difference between Claris and Williston?
Williston is 19 hours behind Claris.
What is the cheapest way to fly from GBZ to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GBZ–ISN that never appear on search engines, with no booking fees.
Why are some GBZ to ISN fares phone-only?
Consolidator contracts let us sell certain GBZ–ISN 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.