Distance From Mariana Grajales Airport to Siem Reap International Airport, GAO - REP Distance

The distance from Mariana Grajales Airport (GAO) to Siem Reap International Airport (REP) is 10121 miles or 16288 kilometers or 8789 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 Guantánamo ( Cuba ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Guantánamo and Siem Reap takes around 23 hours 16 minutes.

Estimated flight time from Mariana Grajales Airport, Guantánamo, Cuba to Siem Reap International Airport, Siem Reap, Cambodia is 23 hours 16 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 • GAO - REP

Kilometers		16288 km
Statute Miles		10121 miles
Nautical Miles		8789 nm
Avg. Time of Flight		23 hours 16 minutes

Mariana Grajales Airport to Siem Reap International Airport Flight Route Map - GAO to REP Flight Path

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

Click to see flight route on Google Map between Guantánamo, Cuba and Siem Reap, Cambodia. .

Nonstop flight route between Guantánamo, Cuba and Siem Reap, Cambodia.

Time Difference Between the Airports • GAO - REP

Time difference between Guantánamo (Cuba) and Siem Reap (Cambodia) is 11 Hours.
Siem Reap time is 11 Hours ahead of Guantánamo.

Location	Local Time
Guantánamo (Cuba)	2026-06-19, 16:22:42 CDT
Siem Reap (Cambodia)	2026-06-20, 03:22:42 +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

Mariana Grajales Airport (GAO / MUGT) Guantánamo, Cuba

Destination

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