The distance from Seton Medical Center Harker Heights Heliport () to Siem Reap International Airport (REP) is 9048 miles or 14562 kilometers or 7858 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.
14562 kilometers is the direct flight distance between Seton Medical Center Harker Heights Heliport (United States) and Siem Reap International Airport (Cambodia).
How long does it take to travel from Harker Heights ( United States ) to Siem Reap ( Cambodia )?
A one-way nonstop (direct) flight between Harker Heights and Siem Reap takes around 20 hours 48 minutes.
Estimated
flight time from Seton Medical Center Harker Heights Heliport, Harker Heights, United States to Siem Reap International Airport, Siem Reap, Cambodia is
20 hours 48 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 | | 14562 km |
| Statute Miles | | 9048 miles |
| Nautical Miles | | 7858 nm |
| Avg. Time of Flight | | 20 hours 48 minutes |
Seton Medical Center Harker Heights Heliport to Siem Reap International Airport Flight Route Map - to REP Flight Path
Location of Seton Medical Center Harker Heights Heliport & Siem Reap International Airport is given below.
Click the map to view Harker Heights to Siem Reap nonstop flight path and travel direction.
Click to see flight route on Google Map between Harker Heights, United States and Siem Reap, Cambodia. .
Nonstop flight route between Harker Heights, United States and Siem Reap, Cambodia.
Time Difference Between the Airports • - REP
Time difference between
Harker Heights (United States) and
Siem Reap (Cambodia) is 13 Hours.
Siem Reap time is 13 Hours ahead of Harker Heights.
| Location | Local Time |
| Harker Heights (United States) | 2026-09-23, 19:15:12 MDT |
| Siem Reap (Cambodia) | 2026-09-24, 08:15:12 +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.