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BTM to CMB: distance & flight time
Butte (Bert Mooney Airport) → Colombo (Bandaranaike International Colombo Airport)
8,687 mi
13,980 km · 7,549 nm
17h 30m
estimated nonstop flight time
+11.5h
time difference · heading north
See live BTM→CMB fares Phone-only fares on this route — call free
Flight time details
8,687 miles nonstop takes roughly 17h 30m 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
- BTM — Bert Mooney Airport · Butte, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 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 BTM from CMB?
The flight distance from Butte (BTM) to Colombo (CMB) is 8,687 miles (13,980 km, 7,549 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to CMB?
A nonstop flight takes about 17h 30m 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 Butte and Colombo?
Colombo is 11.5 hours ahead of Butte.
What is the cheapest way to fly from BTM to CMB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–CMB that never appear on search engines, with no booking fees.