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URO to ISN: distance & flight time
Rouen (Rouen Airport) → Williston (Sloulin Field International Airport)
4,350 mi
7,000 km · 3,780 nm
9h
estimated nonstop flight time
-7h
time difference · heading northwest
See live URO→ISN fares Phone-only fares on this route — call free
Flight time details
4,350 miles nonstop takes roughly 9h 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
- URO — Rouen Airport · Rouen, France
- 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 URO
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 URO from ISN?
The flight distance from Rouen (URO) to Williston (ISN) is 4,350 miles (7,000 km, 3,780 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from URO to ISN?
A nonstop flight takes about 9h 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 Rouen and Williston?
Williston is 7 hours behind Rouen.
What is the cheapest way to fly from URO to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on URO–ISN that never appear on search engines, with no booking fees.