The flight distance from Kansai International Airport (KIX) in Osaka, Japan to Colombo Int Arpt Ratmalana Airport (RML) in Colombo, Sri Lanka is 6,428 kilometers (3,994 miles / 3,471 nautical miles). The estimated flight time for this route is approximately 9h, flying west southwest at a heading of 255°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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

Time zone information: When it's 22:45 in Osaka, it's 19:15 in Colombo. The 3.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Colombo (RML) to Osaka (KIX) follows a heading of 53° (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 Kansai International Airport (KIX) and Colombo Int Arpt Ratmalana Airport (RML) detail pages, or use our flight duration calculator to compare other routes.