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How far is Siem Reap from Hanoi?

The distance between Hanoi (Noi Bai International Airport) and Siem Reap (Siem Reap International Airport) is 553 miles / 890 kilometers / 481 nautical miles.

The driving distance from Hanoi (HAN) to Siem Reap (REP) is 815 miles / 1311 kilometers, and travel time by car is about 17 hours 2 minutes.

Noi Bai International Airport – Siem Reap International Airport

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553
Miles
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890
Kilometers
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481
Nautical miles

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Distance from Hanoi to Siem Reap

There are several ways to calculate the distance from Hanoi to Siem Reap. Here are two standard methods:

Vincenty's formula (applied above)
  • 553.008 miles
  • 889.981 kilometers
  • 480.551 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 555.420 miles
  • 893.862 kilometers
  • 482.647 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Hanoi to Siem Reap?

The estimated flight time from Noi Bai International Airport to Siem Reap International Airport is 1 hour and 32 minutes.

What is the time difference between Hanoi and Siem Reap?

There is no time difference between Hanoi and Siem Reap.

Flight carbon footprint between Noi Bai International Airport (HAN) and Siem Reap International Airport (REP)

On average, flying from Hanoi to Siem Reap generates about 106 kg of CO2 per passenger, and 106 kilograms equals 235 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Hanoi to Siem Reap

See the map of the shortest flight path between Noi Bai International Airport (HAN) and Siem Reap International Airport (REP).

Airport information

Origin Noi Bai International Airport
City: Hanoi
Country: Vietnam Flag of Vietnam
IATA Code: HAN
ICAO Code: VVNB
Coordinates: 21°13′16″N, 105°48′25″E
Destination Siem Reap International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: REP
ICAO Code: VDSR
Coordinates: 13°24′38″N, 103°48′46″E

Airlines flying from Hanoi (HAN) to Siem Reap (REP)

Air France
Vietnam Airlines