Distance From Showa Airport to Siem Reap International Airport

The distance from Showa Airport () to Siem Reap International Airport (REP) is 7480 miles or 12037 kilometers or 6495 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 Brownsville ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Brownsville and Siem Reap takes around 17 hours 11 minutes.

Estimated flight time from Showa Airport, Brownsville, United States to Siem Reap International Airport, Siem Reap, Cambodia is 17 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 • - REP

Kilometers		12037 km
Statute Miles		7480 miles
Nautical Miles		6495 nm
Avg. Time of Flight		17 hours 11 minutes

Showa Airport to Siem Reap International Airport Flight Route Map - to REP Flight Path

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

Click to see flight route on Google Map between Brownsville, United States and Siem Reap, Cambodia. .

Nonstop flight route between Brownsville, United States and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Brownsville (United States) and Siem Reap (Cambodia) is 13 Hours.
Siem Reap time is 13 Hours ahead of Brownsville.

Location	Local Time
Brownsville (United States)	2026-05-04, 21:00:05 MDT
Siem Reap (Cambodia)	2026-05-05, 10:00:05 +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

Showa Airport ( / OR94) Brownsville, United States

Destination

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