Calculations with different methods
- 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).
Estimated flight time from Hong Kong International Airport (HKG) to Noi Bai International Airport (HAN) is 1 hour 29 minutes.
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 95 kg (208 pounds).
Hong Kong to Hanoi flight map.
Frequent Flyer Miles Calculator
Hong Kong (HKG) → Hanoi (HAN).