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ZHI to ISN: distance & flight time
Grenchen (Grenchen Airport) → Williston (Sloulin Field International Airport)
4,659 mi
7,498 km · 4,049 nm
9h 36m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ZHI→ISN fares Phone-only fares on this route — call free
Flight time details
4,659 miles nonstop takes roughly 9h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- ZHI — Grenchen Airport · Grenchen, Switzerland
- 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 ZHI
- BRN · Bern Belp Airport19 mi away
- BSL · EuroAirport Basel-Mulhouse-Freiburg Airport29 mi away
- QNC · Neuchatel Airport30 mi away
- BOR · Fontaine Airport38 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 ZHI from ISN?
The flight distance from Grenchen (ZHI) to Williston (ISN) is 4,659 miles (7,498 km, 4,049 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZHI to ISN?
A nonstop flight takes about 9h 36m 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 Grenchen and Williston?
Williston is 7 hours behind Grenchen.
What is the cheapest way to fly from ZHI to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZHI–ISN that never appear on search engines, with no booking fees.