Distance From College Park Airport to Siem Reap International Airport, CGS - REP Distance

The distance from College Park Airport (CGS) to Siem Reap International Airport (REP) is 8817 miles or 14189 kilometers or 7656 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 College Park ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between College Park and Siem Reap takes around 20 hours 16 minutes.

Estimated flight time from College Park Airport, College Park, United States to Siem Reap International Airport, Siem Reap, Cambodia is 20 hours 16 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 • CGS - REP

Kilometers		14189 km
Statute Miles		8817 miles
Nautical Miles		7656 nm
Avg. Time of Flight		20 hours 16 minutes

College Park Airport to Siem Reap International Airport Flight Route Map - CGS to REP Flight Path

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

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

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

Time Difference Between the Airports • CGS - REP

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

Location	Local Time
College Park (United States)	2025-12-05, 11:02:52 EST
Siem Reap (Cambodia)	2025-12-05, 23:02:52 +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

College Park Airport (CGS / KCGS) College Park, United States

Destination

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