Calculations with different methods
- 401.610 miles
- 646.328 kilometers
- 348.989 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
- 402.119 miles
- 647.149 kilometers
- 349.432 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 Sanya Phoenix International Airport (SYX) is 1 hour 15 minutes.
Time difference and current local times
There is no time difference between Hong Kong and Sanya.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 80 kg (177 pounds).
Hong Kong to Sanya flight map.
Frequent Flyer Miles Calculator
Hong Kong (HKG) → Sanya (SYX).