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OTK to ISN: distance & flight time
Tillamook (Tillamook Airport) → Williston (Sloulin Field International Airport)
970 mi
1,561 km · 843 nm
2h 35m
estimated nonstop flight time
+2h
time difference · heading east
See live OTK→ISN fares Phone-only fares on this route — call free
Flight time details
970 miles nonstop takes roughly 2h 35m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- OTK — Tillamook Airport · Tillamook, 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 OTK
- HIO · Portland Hillsboro Airport43 mi away
- AST · Astoria Regional Airport51 mi away
- SLE · Salem Municipal Airport/McNary Field53 mi away
- ONP · Newport Municipal Airport59 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 OTK from ISN?
The flight distance from Tillamook (OTK) to Williston (ISN) is 970 miles (1,561 km, 843 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTK to ISN?
A nonstop flight takes about 2h 35m 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 Tillamook and Williston?
Williston is 2 hours ahead of Tillamook.
What is the cheapest way to fly from OTK to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTK–ISN that never appear on search engines, with no booking fees.