The flight distance from Chengdu Shuangliu International Airport (CTU) in Chengdu, China to Osan Air Base (OSN) in Osan Air Base, South Korea is 2,244 kilometers (1,395 miles / 1,212 nautical miles). The estimated flight time for this route is approximately 4h, flying east northeast at a heading of 65°.

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 China with South Korea. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:50 in Chengdu, it's 07:50 in Osan Air Base.

There is a significant elevation difference of 1,587 feet between the two airports. Osan Air Base sits lower than Chengdu Shuangliu International Airport.

The return flight from Osan Air Base (OSN) to Chengdu (CTU) follows a heading of 258° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Chengdu Shuangliu International Airport (CTU) and Osan Air Base (OSN) detail pages, or use our flight duration calculator to compare other routes.