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GTF to TDR: distance & flight time
Great Falls (Great Falls International Airport) → Theodore (Theodore Airport)
7,858 mi
12,646 km · 6,828 nm
15h 52m
estimated nonstop flight time
+16h
time difference · heading west
See live GTF→TDR fares Phone-only fares on this route — call free
Flight time details
7,858 miles nonstop takes roughly 15h 52m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- TDR — Theodore Airport · Theodore, Australia
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 TDR
- THG · Thangool Airport46 mi away
- XTO · Taroom Airport57 mi away
- GLT · Gladstone Airport105 mi away
- GAH · Gayndah Airport105 mi away
Frequently asked questions
How far is GTF from TDR?
The flight distance from Great Falls (GTF) to Theodore (TDR) is 7,858 miles (12,646 km, 6,828 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to TDR?
A nonstop flight takes about 15h 52m 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 Theodore?
Theodore is 16 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to TDR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–TDR that never appear on search engines, with no booking fees.