The flight distance from Afonso Pena Airport (CWB) in Curitiba, Brazil to Semnan Airport (SNX) in Semnan, Iran is 12,712 kilometers (7,899 miles / 6,864 nautical miles). The estimated flight time for this route is approximately 16h, flying east northeast at a heading of 61°.

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 Brazil with Iran. It is an intercontinental flight between South America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 14:51 in Curitiba, it's 21:21 in Semnan. With a 6.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Semnan (SNX) to Curitiba (CWB) follows a heading of 255° (west 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 Afonso Pena Airport (CWB) and Semnan Airport (SNX) detail pages, or use our flight duration calculator to compare other routes.