Distance From Denham Aerodrome to Siem Reap International Airport

The distance from Denham Aerodrome () to Siem Reap International Airport (REP) is 6091 miles or 9802 kilometers or 5290 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 Gerrards Cross ( United Kingdom ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Gerrards Cross and Siem Reap takes around 14 hours 0 minutes.

Estimated flight time from Denham Aerodrome, Gerrards Cross, United Kingdom to Siem Reap International Airport, Siem Reap, Cambodia is 14 hours 0 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		9802 km
Statute Miles		6091 miles
Nautical Miles		5290 nm
Avg. Time of Flight		14 hours 0 minutes

Denham Aerodrome to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Denham Aerodrome & Siem Reap International Airport is given below.
Click the map to view Gerrards Cross to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Gerrards Cross, United Kingdom and Siem Reap, Cambodia. .

Nonstop flight route between Gerrards Cross, United Kingdom and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Gerrards Cross (United Kingdom) and Siem Reap (Cambodia) is 7 Hours.
Siem Reap time is 7 Hours ahead of Gerrards Cross.

Location	Local Time
Gerrards Cross (United Kingdom)	2025-12-16, 18:08:52 GMT
Siem Reap (Cambodia)	2025-12-17, 01:08:52 +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

Denham Aerodrome ( / EGLD) Gerrards Cross, United Kingdom

Destination

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