Distance From Aerodromo de Castelo Branco to Siem Reap International Airport

The distance from Aerodromo de Castelo Branco () to Siem Reap International Airport (REP) is 6703 miles or 10787 kilometers or 5821 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 Castelo Branco ( Portugal ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Castelo Branco and Siem Reap takes around 15 hours 24 minutes.

Estimated flight time from Aerodromo de Castelo Branco, Castelo Branco, Portugal to Siem Reap International Airport, Siem Reap, Cambodia is 15 hours 24 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		10787 km
Statute Miles		6703 miles
Nautical Miles		5821 nm
Avg. Time of Flight		15 hours 24 minutes

Aerodromo de Castelo Branco to Siem Reap International Airport Flight Route Map - to REP Flight Path

Location of Aerodromo de Castelo Branco & Siem Reap International Airport is given below.
Click the map to view Castelo Branco to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Castelo Branco, Portugal and Siem Reap, Cambodia. .

Nonstop flight route between Castelo Branco, Portugal and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Castelo Branco (Portugal) and Siem Reap (Cambodia) is 6 Hours.
Siem Reap time is 6 Hours ahead of Castelo Branco.

Location	Local Time
Castelo Branco (Portugal)	2026-09-17, 18:24:21 WEST
Siem Reap (Cambodia)	2026-09-18, 00:24:21 +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

Aerodromo de Castelo Branco ( / LPCB) Castelo Branco, Portugal

Destination

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