Distance From Kawamata Helipad to Siem Reap International Airport

The distance from Kawamata Helipad () to Siem Reap International Airport (REP) is 2732 miles or 4397 kilometers or 2373 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 Nikko ( Japan ) to Siem Reap ( Cambodia )?

A one-way nonstop (direct) flight between Nikko and Siem Reap takes around 6 hours 16 minutes.

Estimated flight time from Kawamata Helipad, Nikko, Japan to Siem Reap International Airport, Siem Reap, Cambodia is 6 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 • - REP

Kilometers		4397 km
Statute Miles		2732 miles
Nautical Miles		2373 nm
Avg. Time of Flight		6 hours 16 minutes

Kawamata Helipad to Siem Reap International Airport Flight Route Map - to REP Flight Path

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

Click to see flight route on Google Map between Nikko, Japan and Siem Reap, Cambodia. .

Nonstop flight route between Nikko, Japan and Siem Reap, Cambodia.

Time Difference Between the Airports • - REP

Time difference between Nikko (Japan) and Siem Reap (Cambodia) is 2 Hours.
Siem Reap time is 2 Hours behind Nikko.

Location	Local Time
Nikko (Japan)	2025-12-17, 05:13:15 JST
Siem Reap (Cambodia)	2025-12-17, 03:13:15 +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

Kawamata Helipad ( / ) Nikko, Japan

Destination

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