The distance from Colombo Ratmalana Airport (RML) to Bandaranaike International Colombo Airport (CMB) is 25 miles or 40 kilometers or 22 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.
40 kilometers is the direct flight distance between Colombo Ratmalana Airport (Sri Lanka) and Bandaranaike International Colombo Airport (Sri Lanka).
How long does it take to travel from Colombo ( Sri Lanka ) to Colombo ( Sri Lanka )?
A one-way nonstop (direct) flight between Colombo and Colombo takes around 0 hours 3 minutes.
Estimated
flight time from Colombo Ratmalana Airport, Colombo, Sri Lanka to Bandaranaike International Colombo Airport, Colombo, Sri Lanka is
0 hours 3 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 • RML - CMB
| Kilometers | | 40 km |
| Statute Miles | | 25 miles |
| Nautical Miles | | 22 nm |
| Avg. Time of Flight | | 0 hours 3 minutes |
Colombo Ratmalana Airport to Bandaranaike International Colombo Airport Flight Route Map - RML to CMB Flight Path
Location of Colombo Ratmalana Airport & Bandaranaike International Colombo Airport is given below.
Click the map to view Colombo to Colombo nonstop flight path and travel direction.
Click to see flight route on Google Map between Colombo, Sri Lanka and Colombo, Sri Lanka. .
Nonstop flight route between Colombo, Sri Lanka and Colombo, Sri Lanka.
Time Difference Between the Airports • RML - CMB
Time difference between
Colombo (Sri Lanka) and
Colombo (Sri Lanka) is 0 Hours.
| Location | Local Time |
| Colombo (Sri Lanka) | 2026-03-19, 17:39:14 +0530 |
| Colombo (Sri Lanka) | 2026-03-19, 17:39:14 +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.