Distance From Greeneville Municipal Airport to Siem Reap International Airport, GCY - REP Distance

The distance from Greeneville Municipal Airport (GCY) to Siem Reap International Airport (REP) is 8982 miles or 14455 kilometers or 7800 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 Greeneville ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Greeneville and Siem Reap takes around 20 hours 39 minutes.

Estimated flight time from Greeneville Municipal Airport, Greeneville, United States to Siem Reap International Airport, Siem Reap, Cambodia is 20 hours 39 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 • GCY - REP

Kilometers		14455 km
Statute Miles		8982 miles
Nautical Miles		7800 nm
Avg. Time of Flight		20 hours 39 minutes

Greeneville Municipal Airport to Siem Reap International Airport Flight Route Map - GCY to REP Flight Path

Location of Greeneville Municipal Airport & Siem Reap International Airport is given below.
Click the map to view Greeneville to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • GCY - REP

Time difference between Greeneville (United States) and Siem Reap (Cambodia) is 11 Hours.
Siem Reap time is 11 Hours ahead of Greeneville.

Location	Local Time
Greeneville (United States)	2026-06-20, 00:34:00 EDT
Siem Reap (Cambodia)	2026-06-20, 11:34:00 +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

Greeneville Municipal Airport (GCY / KGCY) Greeneville, United States

Destination

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