Distance From Frederick Regional Airport to Siem Reap International Airport, FDR - REP Distance

The distance from Frederick Regional Airport (FDR) to Siem Reap International Airport (REP) is 8813 miles or 14183 kilometers or 7653 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 Frederick ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Frederick and Siem Reap takes around 20 hours 15 minutes.

Estimated flight time from Frederick Regional Airport, Frederick, United States to Siem Reap International Airport, Siem Reap, Cambodia is 20 hours 15 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 • FDR - REP

Kilometers		14183 km
Statute Miles		8813 miles
Nautical Miles		7653 nm
Avg. Time of Flight		20 hours 15 minutes

Frederick Regional Airport to Siem Reap International Airport Flight Route Map - FDR to REP Flight Path

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

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

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

Time Difference Between the Airports • FDR - REP

Time difference between Frederick (United States) and Siem Reap (Cambodia) is 13 Hours.
Siem Reap time is 13 Hours ahead of Frederick.

Location	Local Time
Frederick (United States)	2026-03-19, 01:47:38 MDT
Siem Reap (Cambodia)	2026-03-19, 14:47:38 +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

Frederick Regional Airport (FDR / KFDR) Frederick, United States

Destination

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