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KSO to GTF: distance & flight time
Kastoria (Kastoria National Airport) → Great Falls (Great Falls International Airport)
5,704 mi
9,179 km · 4,956 nm
11h 39m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KSO→GTF fares Phone-only fares on this route — call free
Flight time details
5,704 miles nonstop takes roughly 11h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- 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 KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 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 KSO from GTF?
The flight distance from Kastoria (KSO) to Great Falls (GTF) is 5,704 miles (9,179 km, 4,956 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to GTF?
A nonstop flight takes about 11h 39m 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 Kastoria and Great Falls?
Great Falls is 9 hours behind Kastoria.
What is the cheapest way to fly from KSO to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–GTF that never appear on search engines, with no booking fees.