The distance from Winfield Airpark () to Siem Reap International Airport (REP) is 8874 miles or 14281 kilometers or 7706 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
14281 kilometers is the direct flight distance between Winfield Airpark (United States) and Siem Reap International Airport (Cambodia).
How long does it take to travel from Altus ( United States ) to Siem Reap ( Cambodia )?
A one-way nonstop (direct) flight between Altus and Siem Reap takes around 20 hours 24 minutes.
Estimated
flight time from Winfield Airpark, Altus, United States to Siem Reap International Airport, Siem Reap, Cambodia is
20 hours 24 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - REP
| Kilometers | | 14281 km |
| Statute Miles | | 8874 miles |
| Nautical Miles | | 7706 nm |
| Avg. Time of Flight | | 20 hours 24 minutes |
Winfield Airpark to Siem Reap International Airport Flight Route Map - to REP Flight Path
Location of Winfield Airpark & Siem Reap International Airport is given below.
Click the map to view Altus to Siem Reap nonstop flight path and travel direction.
Click to see flight route on Google Map between Altus, United States and Siem Reap, Cambodia. .
Nonstop flight route between Altus, United States and Siem Reap, Cambodia.
Time Difference Between the Airports • - REP
Time difference between
Altus (United States) and
Siem Reap (Cambodia) is 11 Hours.
Siem Reap time is 11 Hours ahead of Altus.
| Location | Local Time |
| Altus (United States) | 2026-03-20, 13:08:41 EDT |
| Siem Reap (Cambodia) | 2026-03-21, 00:08:41 +07 |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.