The flight distance from Noi Bai International Airport (HAN) in Hanoi, Vietnam to Colombo Int Arpt Ratmalana Airport (RML) in Colombo, Sri Lanka is 3,213 kilometers (1,997 miles / 1,735 nautical miles). The estimated flight time for this route is approximately 5h, flying west southwest at a heading of 244°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Vietnam with Sri Lanka. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 20:39 in Hanoi, it's 19:09 in Colombo.

The return flight from Colombo (RML) to Hanoi (HAN) follows a heading of 57° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Noi Bai International Airport (HAN) and Colombo Int Arpt Ratmalana Airport (RML) detail pages, or use our flight duration calculator to compare other routes.