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GTF to CJM: distance & flight time
Great Falls (Great Falls International Airport) → Chumphon (Chumphon Airport)
7,995 mi
12,866 km · 6,947 nm
16h 9m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GTF→CJM fares Phone-only fares on this route — call free
Flight time details
7,995 miles nonstop takes roughly 16h 9m 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
- CJM — Chumphon Airport · Chumphon, Thailand
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 CJM
- VBP · Bokpyinn Airport52 mi away
- KAW · Kawthoung Airport72 mi away
- UNN · Ranong Airport83 mi away
- USM · Samui Airport93 mi away
Frequently asked questions
How far is GTF from CJM?
The flight distance from Great Falls (GTF) to Chumphon (CJM) is 7,995 miles (12,866 km, 6,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to CJM?
A nonstop flight takes about 16h 9m 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 Chumphon?
Chumphon is 13 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to CJM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–CJM that never appear on search engines, with no booking fees.