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OTK to GTF: distance & flight time
Tillamook (Tillamook Airport) → Great Falls (Great Falls International Airport)
609 mi
979 km · 529 nm
1h 47m
estimated nonstop flight time
+1h
time difference · heading east
See live OTK→GTF fares Phone-only fares on this route — call free
Flight time details
609 miles nonstop takes roughly 1h 47m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- OTK — Tillamook Airport · Tillamook, United States
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is OTK from GTF?
The flight distance from Tillamook (OTK) to Great Falls (GTF) is 609 miles (979 km, 529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTK to GTF?
A nonstop flight takes about 1h 47m 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 Great Falls?
Great Falls is 1 hour ahead of Tillamook.
What is the cheapest way to fly from OTK to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTK–GTF that never appear on search engines, with no booking fees.