Distance From Wellmore Heliport to Siem Reap International Airport

The distance from Wellmore Heliport () to Siem Reap International Airport (REP) is 8907 miles or 14334 kilometers or 7735 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 Big Rock ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Big Rock and Siem Reap takes around 20 hours 28 minutes.

Estimated flight time from Wellmore Heliport, Big Rock, United States to Siem Reap International Airport, Siem Reap, Cambodia is 20 hours 28 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		14334 km
Statute Miles		8907 miles
Nautical Miles		7735 nm
Avg. Time of Flight		20 hours 28 minutes

Wellmore Heliport to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Wellmore Heliport & Siem Reap International Airport is given below.
Click the map to view Big Rock to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - REP

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

Location	Local Time
Big Rock (United States)	2025-12-13, 21:42:50 EST
Siem Reap (Cambodia)	2025-12-14, 09:42:50 +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

Wellmore Heliport ( / ) Big Rock, United States

Destination

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