The distance from Hilo Medical Center Heliport () to Siem Reap International Airport (REP) is 6606 miles or 10630 kilometers or 5736 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.
10630 kilometers is the direct flight distance between Hilo Medical Center Heliport (United States) and Siem Reap International Airport (Cambodia).
How long does it take to travel from Hilo ( United States ) to Siem Reap ( Cambodia )?
A one-way nonstop (direct) flight between Hilo and Siem Reap takes around 15 hours 11 minutes.
Estimated
flight time from Hilo Medical Center Heliport, Hilo, United States to Siem Reap International Airport, Siem Reap, Cambodia is
15 hours 11 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 | | 10630 km |
| Statute Miles | | 6606 miles |
| Nautical Miles | | 5736 nm |
| Avg. Time of Flight | | 15 hours 11 minutes |
Hilo Medical Center Heliport to Siem Reap International Airport Flight Route Map - to REP Flight Path
Location of Hilo Medical Center Heliport & Siem Reap International Airport is given below.
Click the map to view Hilo to Siem Reap nonstop flight path and travel direction.
Click to see flight route on Google Map between Hilo, United States and Siem Reap, Cambodia. .
Nonstop flight route between Hilo, United States and Siem Reap, Cambodia.
Time Difference Between the Airports • - REP
Time difference between
Hilo (United States) and
Siem Reap (Cambodia) is 17 Hours.
Siem Reap time is 17 Hours ahead of Hilo.
| Location | Local Time |
| Hilo (United States) | 2025-12-15, 19:50:35 HST |
| Siem Reap (Cambodia) | 2025-12-16, 12:50:35 +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.