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ISN to BSL: distance & flight time
Williston (Sloulin Field International Airport) → Mulhouse (EuroAirport Basel-Mulhouse-Freiburg Airport)
4,642 mi
7,470 km · 4,034 nm
9h 34m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ISN→BSL fares Phone-only fares on this route — call free
Flight time details
4,642 miles nonstop takes roughly 9h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- BSL — EuroAirport Basel-Mulhouse-Freiburg Airport · Mulhouse, France
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 BSL
- BOR · Fontaine Airport25 mi away
- ZHI · Grenchen Airport29 mi away
- CMR · Colmar-Houssen Airport37 mi away
- BRN · Bern Belp Airport47 mi away
Frequently asked questions
How far is ISN from BSL?
The flight distance from Williston (ISN) to Mulhouse (BSL) is 4,642 miles (7,470 km, 4,034 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to BSL?
A nonstop flight takes about 9h 34m 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 Mulhouse?
Mulhouse is 7 hours ahead of Williston.
What is the cheapest way to fly from ISN to BSL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–BSL that never appear on search engines, with no booking fees.