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GTF to SLD: distance & flight time
Great Falls (Great Falls International Airport) → Sliac (Sliač Airport)
5,164 mi
8,311 km · 4,488 nm
10h 36m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GTF→SLD fares Phone-only fares on this route — call free
Flight time details
5,164 miles nonstop takes roughly 10h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- SLD — Sliač Airport · Sliac, Slovakia
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 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
Near SLD
- ILZ · Žilina Airport47 mi away
- TAT · Poprad-Tatry Airport59 mi away
- PZY · Piešťany Airport60 mi away
- UHE · Kunovice Airport82 mi away
Frequently asked questions
How far is GTF from SLD?
The flight distance from Great Falls (GTF) to Sliac (SLD) is 5,164 miles (8,311 km, 4,488 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SLD?
A nonstop flight takes about 10h 36m 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 Great Falls and Sliac?
Sliac is 8 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to SLD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SLD that never appear on search engines, with no booking fees.