The flight distance from Dublin Airport (DUB) in Dublin, Ireland to Colombo Int Arpt Ratmalana Airport (RML) in Colombo, Sri Lanka is 9,145 kilometers (5,682 miles / 4,938 nautical miles). The estimated flight time for this route is approximately 12h, flying east at a heading of 89°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Ireland with Sri Lanka. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 10:53 in Dublin, it's 16:23 in Colombo. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Colombo (RML) to Dublin (DUB) follows a heading of 323° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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