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GTF to TBB: distance & flight time
Great Falls (Great Falls International Airport) → Tuy Hoa (Dong Tac Airport)
7,561 mi
12,168 km · 6,570 nm
15h 18m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GTF→TBB fares Phone-only fares on this route — call free
Flight time details
7,561 miles nonstop takes roughly 15h 18m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- TBB — Dong Tac Airport · Tuy Hoa, Vietnam
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 TBB
- NHA · Nha Trang Air Base58 mi away
- UIH · Phu Cat Airport66 mi away
- CXR · Cam Ranh Airport73 mi away
- BMV · Buon Ma Thuot Airport86 mi away
Frequently asked questions
How far is GTF from TBB?
The flight distance from Great Falls (GTF) to Tuy Hoa (TBB) is 7,561 miles (12,168 km, 6,570 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to TBB?
A nonstop flight takes about 15h 18m 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 Tuy Hoa?
Tuy Hoa is 13 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to TBB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–TBB that never appear on search engines, with no booking fees.