How far is Siem Reap from Hanoi?
There are several ways to calculate distances between Hanoi and Siem Reap. Here are two common 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 earth.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).
Estimated flight time from Noi Bai International Airport (HAN) to Siem Reap International Airport (REP) is 1 hour 32 minutes.
Time difference and current local times
There is no time difference between Hanoi and Siem Reap.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 106 kg (235 pounds).
Hanoi to Siem Reap flight path
Shortest flight path between Noi Bai International Airport (HAN) and Siem Reap International Airport (REP).
Frequent Flyer Miles Calculator
Hanoi (HAN) → Siem Reap (REP).