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ROC to ISN: distance & flight time
Rochester (Greater Rochester International Airport) → Williston (Sloulin Field International Airport)
1,295 mi
2,084 km · 1,125 nm
3h 17m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ROC→ISN fares Phone-only fares on this route — call free
Flight time details
1,295 miles nonstop takes roughly 3h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ROC — Greater Rochester International Airport · Rochester, United States
- 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 ROC
- BUF · Buffalo Niagara International Airport55 mi away
- IAG · Niagara Falls International Airport64 mi away
- YYZ · Lester B. Pearson International Airport106 mi away
- YTR · CFB Trenton69 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 ROC from ISN?
The flight distance from Rochester (ROC) to Williston (ISN) is 1,295 miles (2,084 km, 1,125 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROC to ISN?
A nonstop flight takes about 3h 17m 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 Rochester and Williston?
Williston is 1 hour behind Rochester.
What is the cheapest way to fly from ROC to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROC–ISN that never appear on search engines, with no booking fees.