Distance From Diego Garcia Naval Support Facility to Siem Reap International Airport, NKW - REP Distance

The distance from Diego Garcia Naval Support Facility (NKW) to Siem Reap International Airport (REP) is 2587 miles or 4164 kilometers or 2247 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 Diego Garcia ( British Indian Ocean Territory ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Diego Garcia and Siem Reap takes around 5 hours 56 minutes.

Estimated flight time from Diego Garcia Naval Support Facility, Diego Garcia, British Indian Ocean Territory to Siem Reap International Airport, Siem Reap, Cambodia is 5 hours 56 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 • NKW - REP

Kilometers		4164 km
Statute Miles		2587 miles
Nautical Miles		2247 nm
Avg. Time of Flight		5 hours 56 minutes

Diego Garcia Naval Support Facility to Siem Reap International Airport Flight Route Map - NKW to REP Flight Path

Location of Diego Garcia Naval Support Facility & Siem Reap International Airport is given below.
Click the map to view Diego Garcia to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Diego Garcia, British Indian Ocean Territory and Siem Reap, Cambodia. .

Nonstop flight route between Diego Garcia, British Indian Ocean Territory and Siem Reap, Cambodia.

Time Difference Between the Airports • NKW - REP

Time difference between Diego Garcia (British Indian Ocean Territory) and Siem Reap (Cambodia) is 1 Hours.
Siem Reap time is 1 Hours ahead of Diego Garcia.

Location	Local Time
Diego Garcia (British Indian Ocean Territory)	2025-12-16, 15:50:26 +06
Siem Reap (Cambodia)	2025-12-16, 16:50:26 +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

Diego Garcia Naval Support Facility (NKW / FJDG) Diego Garcia, British Indian Ocean Territory

Destination

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