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GTF to GAO: distance & flight time
Great Falls (Great Falls International Airport) → Guantanamo (Mariana Grajales Airport)
2,769 mi
4,456 km · 2,406 nm
5h 54m
estimated nonstop flight time
+2h
time difference · heading southeast
See live GTF→GAO fares Phone-only fares on this route — call free
Flight time details
2,769 miles nonstop takes roughly 5h 54m gate to gate, flying southeast. 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
- GTF — Great Falls International Airport · Great Falls, United States
- GAO — Mariana Grajales Airport · Guantanamo, Cuba
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 GAO
- NBW · Leeward Point Field13 mi away
- MOA · Orestes Acosta Airport42 mi away
- SCU · Antonio Maceo International Airport45 mi away
- BCA · Gustavo Rizo Airport46 mi away
Frequently asked questions
How far is GTF from GAO?
The flight distance from Great Falls (GTF) to Guantanamo (GAO) is 2,769 miles (4,456 km, 2,406 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to GAO?
A nonstop flight takes about 5h 54m 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 Guantanamo?
Guantanamo is 2 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to GAO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–GAO that never appear on search engines, with no booking fees.