Distance From Harlan County Lake Seaplane Base to Bandaranaike International Colombo Airport

The distance from Harlan County Lake Seaplane Base () to Bandaranaike International Colombo Airport (CMB) is 9174 miles or 14763 kilometers or 7966 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.

---

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

A one-way nonstop (direct) flight between Alma and Colombo takes around 21 hours 5 minutes.

Estimated flight time from Harlan County Lake Seaplane Base, Alma, United States to Bandaranaike International Colombo Airport, Colombo, Sri Lanka is 21 hours 5 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 • - CMB

Kilometers		14763 km
Statute Miles		9174 miles
Nautical Miles		7966 nm
Avg. Time of Flight		21 hours 5 minutes

Harlan County Lake Seaplane Base to Bandaranaike International Colombo Airport Flight Route Map - to CMB Flight Path

Location of Harlan County Lake Seaplane Base & Bandaranaike International Colombo Airport is given below.
Click the map to view Alma to Colombo nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - CMB

Time difference between Alma (United States) and Colombo (Sri Lanka) is 11 Hours 30 Minutes.
Colombo time is 11 Hours 30 Minutes ahead of Alma.

Location	Local Time
Alma (United States)	2026-05-07, 09:33:34 MDT
Colombo (Sri Lanka)	2026-05-07, 21:03:34 +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

Harlan County Lake Seaplane Base ( / H63) Alma, United States

Destination

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