The flight distance from Phoenix Sky Harbor International Airport (PHX) in Phoenix, United States to Angkor International Airport (REP) in Siem Reap, Cambodia is 13,570 kilometers (8,432 miles / 7,327 nautical miles). The estimated flight time for this route is approximately 17h, flying northwest at a heading of 318°.

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 United States with Cambodia. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:54 in Phoenix, it's 17:54 in Siem Reap. With a 14-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 1,075 feet between the two airports. Angkor International Airport sits lower than Phoenix Sky Harbor International Airport.

The return flight from Siem Reap (REP) to Phoenix (PHX) follows a heading of 35° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Phoenix Sky Harbor International Airport (PHX) and Angkor International Airport (REP) detail pages, or use our flight duration calculator to compare other routes.