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ISN to FLR: distance & flight time
Williston (Sloulin Field International Airport) → Florence (Peretola Airport)
4,955 mi
7,975 km · 4,306 nm
10h 11m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ISN→FLR fares Phone-only fares on this route — call free
Flight time details
4,955 miles nonstop takes roughly 10h 11m 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
- FLR — Peretola Airport · Florence, Italy
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 FLR
- SAY · Siena-Ampugnano Airport38 mi away
- PSA · Pisa International Airport41 mi away
- BLQ · Bologna Guglielmo Marconi Airport50 mi away
- FRL · Forlì Airport51 mi away
Frequently asked questions
How far is ISN from FLR?
The flight distance from Williston (ISN) to Florence (FLR) is 4,955 miles (7,975 km, 4,306 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to FLR?
A nonstop flight takes about 10h 11m 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 Florence?
Florence is 7 hours ahead of Williston.
What is the cheapest way to fly from ISN to FLR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–FLR that never appear on search engines, with no booking fees.