The flight distance from Semnan Airport (SNX) in Semnan, Iran to London Stansted Airport (STN) in London, United Kingdom is 4,526 kilometers (2,812 miles / 2,444 nautical miles). The estimated flight time for this route is approximately 6h, flying northwest at a heading of 311°.

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 Iran with United Kingdom. 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 13:55 in Semnan, it's 10:25 in London. 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 3,317 feet between the two airports. London Stansted Airport sits lower than Semnan Airport.

The return flight from London (STN) to Semnan (SNX) follows a heading of 92° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Semnan Airport (SNX) and London Stansted Airport (STN) detail pages, or use our flight duration calculator to compare other routes.