Distance From Clear Lake Regional Medical Center Heliport to Siem Reap International Airport

The distance from Clear Lake Regional Medical Center Heliport () to Siem Reap International Airport (REP) is 9212 miles or 14824 kilometers or 7999 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.

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How long does it take to travel from Webster ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Webster and Siem Reap takes around 21 hours 10 minutes.

Estimated flight time from Clear Lake Regional Medical Center Heliport, Webster, United States to Siem Reap International Airport, Siem Reap, Cambodia is 21 hours 10 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		14824 km
Statute Miles		9212 miles
Nautical Miles		7999 nm
Avg. Time of Flight		21 hours 10 minutes

Clear Lake Regional Medical Center Heliport to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Clear Lake Regional Medical Center Heliport & Siem Reap International Airport is given below.
Click the map to view Webster to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Webster, United States and Siem Reap, Cambodia. .

Nonstop flight route between Webster, United States and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Webster (United States) and Siem Reap (Cambodia) is 12 Hours.
Siem Reap time is 12 Hours ahead of Webster.

Location	Local Time
Webster (United States)	2026-08-08, 07:58:24 CDT
Siem Reap (Cambodia)	2026-08-08, 19:58:24 +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.

Origin

Clear Lake Regional Medical Center Heliport ( / 52XS) Webster, United States

Destination

Siem Reap International Airport (REP / VDSR) Siem Reap, Cambodia