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NAP to ISN: distance & flight time
Naples (Naples International Airport) → Williston (Sloulin Field International Airport)
5,211 mi
8,387 km · 4,529 nm
10h 41m
estimated nonstop flight time
-7h
time difference · heading northwest
See live NAP→ISN fares Phone-only fares on this route — call free
Flight time details
5,211 miles nonstop takes roughly 10h 41m 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
- NAP — Naples International Airport · Naples, Italy
- 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 NAP
- QSR · Salerno Costa d'Amalfi Airport37 mi away
- FOG · Foggia "Gino Lisa" Airport75 mi away
- FCO · Leonardo da Vinci–Fiumicino Airport124 mi away
- QLT · Latina Air Base85 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 NAP from ISN?
The flight distance from Naples (NAP) to Williston (ISN) is 5,211 miles (8,387 km, 4,529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NAP to ISN?
A nonstop flight takes about 10h 41m 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 Naples and Williston?
Williston is 7 hours behind Naples.
What is the cheapest way to fly from NAP to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NAP–ISN that never appear on search engines, with no booking fees.