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How far is Siem Reap from Hanoi?

The distance between Hanoi (Noi Bai International Airport) and Siem Reap (Siem Reap–Angkor International Airport) is 550 miles / 885 kilometers / 478 nautical miles.

The driving distance from Hanoi (HAN) to Siem Reap (SAI) is 792 miles / 1275 kilometers, and travel time by car is about 17 hours 28 minutes.

Noi Bai International Airport – Siem Reap–Angkor International Airport

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550
Miles
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885
Kilometers
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478
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)
  • 550.006 miles
  • 885.149 kilometers
  • 477.942 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
  • 552.475 miles
  • 889.122 kilometers
  • 480.088 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–Angkor 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–Angkor International Airport (SAI)

On average, flying from Hanoi to Siem Reap generates about 106 kg of CO2 per passenger, and 106 kilograms equals 234 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–Angkor International Airport (SAI).

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–Angkor International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: SAI
ICAO Code: VDSA
Coordinates: 13°22′9″N, 104°13′23″E