Distance From Dehradun Jolly Grant Airport to Siem Reap International Airport, DED - REP Distance

The distance from Dehradun Jolly Grant Airport (DED) to Siem Reap International Airport (REP) is 2004 miles or 3224 kilometers or 1740 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 Dehradun (Jauligrant) ( India ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Dehradun (Jauligrant) and Siem Reap takes around 4 hours 36 minutes.

Estimated flight time from Dehradun Jolly Grant Airport, Dehradun (Jauligrant), India to Siem Reap International Airport, Siem Reap, Cambodia is 4 hours 36 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 • DED - REP

Kilometers		3224 km
Statute Miles		2004 miles
Nautical Miles		1740 nm
Avg. Time of Flight		4 hours 36 minutes

Dehradun Jolly Grant Airport to Siem Reap International Airport Flight Route Map - DED to REP Flight Path

Location of Dehradun Jolly Grant Airport & Siem Reap International Airport is given below.
Click the map to view Dehradun (Jauligrant) to Siem Reap nonstop flight path and travel direction.

Click to see flight route on Google Map between Dehradun (Jauligrant), India and Siem Reap, Cambodia. .

Nonstop flight route between Dehradun (Jauligrant), India and Siem Reap, Cambodia.

Time Difference Between the Airports • DED - REP

Time difference between Dehradun (Jauligrant) (India) and Siem Reap (Cambodia) is 1 Hours 30 Minutes.
Siem Reap time is 1 Hours 30 Minutes ahead of Dehradun (Jauligrant).

Location	Local Time
Dehradun (Jauligrant) (India)	2025-12-16, 01:10:45 IST
Siem Reap (Cambodia)	2025-12-16, 02:40:45 +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

Dehradun Jolly Grant Airport (DED / VIDN) Dehradun (Jauligrant), India

Destination

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