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GTF to CMB: distance & flight time
Great Falls (Great Falls International Airport) → Colombo (Bandaranaike International Colombo Airport)
8,598 mi
13,837 km · 7,471 nm
17h 19m
estimated nonstop flight time
+11.5h
time difference · heading north
See live GTF→CMB fares Phone-only fares on this route — call free
Flight time details
8,598 miles nonstop takes roughly 17h 19m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- CMB — Bandaranaike International Colombo Airport · Colombo, Sri Lanka
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 CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 mi away
Frequently asked questions
How far is GTF from CMB?
The flight distance from Great Falls (GTF) to Colombo (CMB) is 8,598 miles (13,837 km, 7,471 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to CMB?
A nonstop flight takes about 17h 19m 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 Colombo?
Colombo is 11.5 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–CMB that never appear on search engines, with no booking fees.