The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to Cooma Snowy Mountains Airport (OOM) in Cooma, Australia is 9,125 kilometers (5,670 miles / 4,927 nautical miles). The estimated flight time for this route is approximately 12h, flying southeast at a heading of 135°.

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

Time zone information: When it's 00:55 in Kolkata, it's 06:25 in Cooma. 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 3,072 feet between the two airports. Cooma Snowy Mountains Airport sits higher than Netaji Subhash Chandra Bose International Airport.

The return flight from Cooma (OOM) to Kolkata (CCU) follows a heading of 306° (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 Netaji Subhash Chandra Bose International Airport (CCU) and Cooma Snowy Mountains Airport (OOM) detail pages, or use our flight duration calculator to compare other routes.