The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to Na-San Airport (SQH) in Son-La, Vietnam is 1,614 kilometers (1,003 miles / 872 nautical miles). The estimated flight time for this route is approximately 3h, flying east at a heading of 93°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting India with Vietnam. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:55 in Kolkata, it's 06:25 in Son-La.

There is a significant elevation difference of 2,117 feet between the two airports. Na-San Airport sits higher than Netaji Subhash Chandra Bose International Airport.

The return flight from Son-La (SQH) to Kolkata (CCU) follows a heading of 279° (west). 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 Na-San Airport (SQH) detail pages, or use our flight duration calculator to compare other routes.