Distance From Big Mountain Airport to Bandaranaike International Colombo Airport, BMX - CMB Distance

The distance from Big Mountain Airport (BMX) to Bandaranaike International Colombo Airport (CMB) is 6941 miles or 11170 kilometers or 6027 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Big Mountain ( United States ) to Colombo ( Sri Lanka )?

A one-way nonstop (direct) flight between Big Mountain and Colombo takes around 15 hours 57 minutes.

Estimated flight time from Big Mountain Airport, Big Mountain, United States to Bandaranaike International Colombo Airport, Colombo, Sri Lanka is 15 hours 57 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • BMX - CMB

Kilometers		11170 km
Statute Miles		6941 miles
Nautical Miles		6027 nm
Avg. Time of Flight		15 hours 57 minutes

Big Mountain Airport to Bandaranaike International Colombo Airport Flight Route Map - BMX to CMB Flight Path

Location of Big Mountain Airport & Bandaranaike International Colombo Airport is given below.
Click the map to view Big Mountain to Colombo nonstop flight path and travel direction.

Click to see flight route on Google Map between Big Mountain, United States and Colombo, Sri Lanka. .

Nonstop flight route between Big Mountain, United States and Colombo, Sri Lanka.

Time Difference Between the Airports • BMX - CMB

Time difference between Big Mountain (United States) and Colombo (Sri Lanka) is 13 Hours 30 Minutes.
Colombo time is 13 Hours 30 Minutes ahead of Big Mountain.

Location	Local Time
Big Mountain (United States)	2026-05-07, 02:40:15 AKDT
Colombo (Sri Lanka)	2026-05-07, 16:10:15 +0530

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Big Mountain Airport (BMX / PABM) Big Mountain, United States

Destination

Bandaranaike International Colombo Airport (CMB / VCBI) Colombo, Sri Lanka