The flight distance from Sihanoukville International Airport (KOS) in Sihanukville, Cambodia to Václav Havel Airport (PRG) in Prague, Czech Republic is 9,063 kilometers (5,632 miles / 4,894 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 320°.

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 Cambodia with Czech Republic. 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 03:47 in Sihanukville, it's 21:47 in Prague. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,214 feet between the two airports. Václav Havel Airport sits higher than Sihanoukville International Airport.

The return flight from Prague (PRG) to Sihanukville (KOS) follows a heading of 84° (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 Sihanoukville International Airport (KOS) and Václav Havel Airport (PRG) detail pages, or use our flight duration calculator to compare other routes.