The flight distance from Christchurch International Airport (CHC) in Christchurch, New Zealand to Grants-Milan Municipal Airport (GNT) in Grants, United States is 11,876 kilometers (7,379 miles / 6,412 nautical miles). The estimated flight time for this route is approximately 15h, flying east northeast at a heading of 57°.

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 14:06 in Christchurch, it's 18:06 in Grants. 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 6,414 feet between the two airports. Grants-Milan Municipal Airport sits higher than Christchurch International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Grants (GNT) 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 Grants-Milan Municipal Airport (GNT) detail pages, or use our flight duration calculator to compare other routes.