Distance From Retalhuleu Airport to Siem Reap International Airport, RER - REP Distance

The distance from Retalhuleu Airport (RER) to Siem Reap International Airport (REP) is 10234 miles or 16470 kilometers or 8888 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.

---

How long does it take to travel from Retalhuleu ( Guatemala ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Retalhuleu and Siem Reap takes around 23 hours 31 minutes.

Estimated flight time from Retalhuleu Airport, Retalhuleu, Guatemala to Siem Reap International Airport, Siem Reap, Cambodia is 23 hours 31 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 • RER - REP

Kilometers		16470 km
Statute Miles		10234 miles
Nautical Miles		8888 nm
Avg. Time of Flight		23 hours 31 minutes

Retalhuleu Airport to Siem Reap International Airport Flight Route Map - RER to REP Flight Path

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

Click to see flight route on Google Map between Retalhuleu, Guatemala and Siem Reap, Cambodia. .

Nonstop flight route between Retalhuleu, Guatemala and Siem Reap, Cambodia.

Time Difference Between the Airports • RER - REP

Time difference between Retalhuleu (Guatemala) and Siem Reap (Cambodia) is 13 Hours.
Siem Reap time is 13 Hours ahead of Retalhuleu.

Location	Local Time
Retalhuleu (Guatemala)	2026-03-15, 11:39:57 CST
Siem Reap (Cambodia)	2026-03-16, 00:39:57 +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

Retalhuleu Airport (RER / MGRT) Retalhuleu, Guatemala

Destination

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