The flight distance from Christchurch International Airport (CHC) in Christchurch, New Zealand to Lemhi County Airport (SMN) in Salmon, United States is 12,238 kilometers (7,605 miles / 6,608 nautical miles). The estimated flight time for this route is approximately 15h, flying northeast at a heading of 46°.

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 United States. It is an intercontinental flight between Oceania and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:40 in Christchurch, it's 10:40 in Salmon. With a 20-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 3,921 feet between the two airports. Lemhi County Airport sits higher than Christchurch International Airport.

The return flight from Salmon (SMN) to Christchurch (CHC) follows a heading of 228° (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 Christchurch International Airport (CHC) and Lemhi County Airport (SMN) detail pages, or use our flight duration calculator to compare other routes.