The flight distance from Chek Lap Kok International Airport (HKG) in Hong Kong, Hong Kong to Semnan Airport (SNX) in Semnan, Iran is 5,969 kilometers (3,709 miles / 3,223 nautical miles). The estimated flight time for this route is approximately 8h, flying west northwest at a heading of 299°.

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 Hong Kong with Iran. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:29 in Hong Kong, it's 04:59 in Semnan. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,637 feet between the two airports. Semnan Airport sits higher than Chek Lap Kok International Airport.

The return flight from Semnan (SNX) to Hong Kong (HKG) follows a heading of 87° (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 Chek Lap Kok International Airport (HKG) and Semnan Airport (SNX) detail pages, or use our flight duration calculator to compare other routes.