The flight distance from Imam Khomeini International Airport (IKA) in Tehran, Iran to Kansai International Airport (KIX) in Osaka, Japan is 7,407 kilometers (4,603 miles / 4,000 nautical miles). The estimated flight time for this route is approximately 10h, flying east northeast at a heading of 63°.

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 Iran with Japan. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 16:08 in Tehran, it's 21:38 in Osaka. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,279 feet between the two airports. Kansai International Airport sits lower than Imam Khomeini International Airport.

The return flight from Osaka (KIX) to Tehran (IKA) follows a heading of 298° (west 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 Imam Khomeini International Airport (IKA) and Kansai International Airport (KIX) detail pages, or use our flight duration calculator to compare other routes.