Distance From Rio Branco-Plácido de Castro International Airport to Siem Reap International Airport, RBR - REP Distance

The distance from Rio Branco-Plácido de Castro International Airport (RBR) to Siem Reap International Airport (REP) is 11825 miles or 19030 kilometers or 10269 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 Rio Branco ( Brazil ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Rio Branco and Siem Reap takes around 27 hours 11 minutes.

Estimated flight time from Rio Branco-Plácido de Castro International Airport, Rio Branco, Brazil to Siem Reap International Airport, Siem Reap, Cambodia is 27 hours 11 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 • RBR - REP

Kilometers		19030 km
Statute Miles		11825 miles
Nautical Miles		10269 nm
Avg. Time of Flight		27 hours 11 minutes

Rio Branco-Plácido de Castro International Airport to Siem Reap International Airport Flight Route Map - RBR to REP Flight Path

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

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

Nonstop flight route between Rio Branco, Brazil and Siem Reap, Cambodia.

Time Difference Between the Airports • RBR - REP

Time difference between Rio Branco (Brazil) and Siem Reap (Cambodia) is 12 Hours.
Siem Reap time is 12 Hours ahead of Rio Branco.

Location	Local Time
Rio Branco (Brazil)	2026-02-11, 00:17:12 -05
Siem Reap (Cambodia)	2026-02-11, 12:17:12 +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

Rio Branco-Plácido de Castro International Airport (RBR / SBRB) Rio Branco, Brazil

Destination

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