The flight distance from Lisbon Portela Airport (LIS) in Lisbon, Portugal to Semnan Airport (SNX) in Semnan, Iran is 5,450 kilometers (3,387 miles / 2,943 nautical miles). The estimated flight time for this route is approximately 7h, flying east northeast at a heading of 73°.

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 Portugal with Iran. 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 16:13 in Lisbon, it's 19:43 in Semnan. The 3.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,291 feet between the two airports. Semnan Airport sits higher than Lisbon Portela Airport.

The return flight from Semnan (SNX) to Lisbon (LIS) follows a heading of 293° (west 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 Lisbon Portela Airport (LIS) and Semnan Airport (SNX) detail pages, or use our flight duration calculator to compare other routes.