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ASU to ISN: distance & flight time
Asuncion (Silvio Pettirossi International Airport) → Williston (Sloulin Field International Airport)
5,821 mi
9,368 km · 5,058 nm
11h 53m
estimated nonstop flight time
-2h
time difference · heading northwest
See live ASU→ISN fares Phone-only fares on this route — call free
Flight time details
5,821 miles nonstop takes roughly 11h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
- 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 ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 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 ASU from ISN?
The flight distance from Asuncion (ASU) to Williston (ISN) is 5,821 miles (9,368 km, 5,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASU to ISN?
A nonstop flight takes about 11h 53m 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 Asuncion and Williston?
Williston is 2 hours behind Asuncion.
What is the cheapest way to fly from ASU to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASU–ISN that never appear on search engines, with no booking fees.