Distance From Dobbins Air Reserve Base to Siem Reap International Airport, MGE - REP Distance

The distance from Dobbins Air Reserve Base (MGE) to Siem Reap International Airport (REP) is 9121 miles or 14679 kilometers or 7921 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 Marietta ( United States ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Marietta and Siem Reap takes around 20 hours 58 minutes.

Estimated flight time from Dobbins Air Reserve Base, Marietta, United States to Siem Reap International Airport, Siem Reap, Cambodia is 20 hours 58 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 • MGE - REP

Kilometers		14679 km
Statute Miles		9121 miles
Nautical Miles		7921 nm
Avg. Time of Flight		20 hours 58 minutes

Dobbins Air Reserve Base to Siem Reap International Airport Flight Route Map - MGE to REP Flight Path

Location of Dobbins Air Reserve Base & Siem Reap International Airport is given below.
Click the map to view Marietta to Siem Reap nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • MGE - REP

Time difference between Marietta (United States) and Siem Reap (Cambodia) is 12 Hours.
Siem Reap time is 12 Hours ahead of Marietta.

Location	Local Time
Marietta (United States)	2026-11-01, 11:47:48 EST
Siem Reap (Cambodia)	2026-11-01, 23:47:48 +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

Dobbins Air Reserve Base (MGE / KMGE) Marietta, United States

Destination

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