The distance from Cal Black Memorial Airport () to Siem Reap International Airport (REP) is 8275 miles or 13317 kilometers or 7186 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.
13317 kilometers is the direct flight distance between Cal Black Memorial Airport (United States) and Siem Reap International Airport (Cambodia).
How long does it take to travel from Halls Crossing ( United States ) to Siem Reap ( Cambodia )?
A one-way nonstop (direct) flight between Halls Crossing and Siem Reap takes around 19 hours 1 minutes.
Estimated
flight time from Cal Black Memorial Airport, Halls Crossing, United States to Siem Reap International Airport, Siem Reap, Cambodia is
19 hours 1 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 | | 13317 km |
| Statute Miles | | 8275 miles |
| Nautical Miles | | 7186 nm |
| Avg. Time of Flight | | 19 hours 1 minutes |
Cal Black Memorial Airport to Siem Reap International Airport Flight Route Map - to REP Flight Path
Location of Cal Black Memorial Airport & Siem Reap International Airport is given below.
Click the map to view Halls Crossing to Siem Reap nonstop flight path and travel direction.
Click to see flight route on Google Map between Halls Crossing, United States and Siem Reap, Cambodia. .
Nonstop flight route between Halls Crossing, United States and Siem Reap, Cambodia.
Time Difference Between the Airports • - REP
Time difference between
Halls Crossing (United States) and
Siem Reap (Cambodia) is 14 Hours.
Siem Reap time is 14 Hours ahead of Halls Crossing.
| Location | Local Time |
| Halls Crossing (United States) | 2026-03-20, 13:22:55 MST |
| Siem Reap (Cambodia) | 2026-03-21, 03:22:55 +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.