The flight distance from St Gallen Altenrhein Airport (ACH) in Altenrhein, Switzerland to Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India is 7,358 kilometers (4,572 miles / 3,973 nautical miles). The estimated flight time for this route is approximately 10h, flying east at a heading of 82°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Switzerland with India. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 14:33 in Altenrhein, it's 19:03 in Kolkata. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,290 feet between the two airports. Netaji Subhash Chandra Bose International Airport sits lower than St Gallen Altenrhein Airport.

The return flight from Kolkata (CCU) to Altenrhein (ACH) follows a heading of 314° (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 St Gallen Altenrhein Airport (ACH) and Netaji Subhash Chandra Bose International Airport (CCU) detail pages, or use our flight duration calculator to compare other routes.