Map of flight path and driving directions from Hong Kong to Hanoi.
Shortest flight path between Hong Kong International Airport (HKG) and Noi Bai International Airport (HAN).
How far is Hanoi from Hong Kong?
There are several ways to calculate distances between Hong Kong and Hanoi. Here are two common methods:Vincenty's formula (applied above)
- 526.371 miles
- 847.112 kilometers
- 457.404 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
- 525.603 miles
- 845.876 kilometers
- 456.736 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).
Time difference and current local times
The time difference between Hong Kong and Hanoi is 1 hour. Hanoi is 1 hour behind Hong Kong.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 103 kg (226 pounds).
Frequent Flyer Miles Calculator
Hong Kong (HKG) → Hanoi (HAN).