The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to Oulu Airport (OUL) in Oulu / Oulunsalo, Finland is 6,481 kilometers (4,027 miles / 3,499 nautical miles). The estimated flight time for this route is approximately 9h, flying north northwest at a heading of 334°.

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

Time zone information: When it's 11:43 in Kolkata, it's 08:13 in Oulu / Oulunsalo. The 3.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Oulu / Oulunsalo (OUL) to Kolkata (CCU) follows a heading of 105° (east southeast). 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 Oulu Airport (OUL) detail pages, or use our flight duration calculator to compare other routes.