The flight distance from Christchurch International Airport (CHC) in Christchurch, New Zealand to Osan Air Base (OSN) in Osan Air Base, South Korea is 10,068 kilometers (6,256 miles / 5,436 nautical miles). The estimated flight time for this route is approximately 13h, flying northwest at a heading of 325°.

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 New Zealand with South Korea. It is an intercontinental flight between Oceania and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:07 in Christchurch, it's 05:07 in Osan Air Base. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Osan Air Base (OSN) to Christchurch (CHC) follows a heading of 149° (south southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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