Calculations with different methods
- 4220.814 miles
- 6792.742 kilometers
- 3667.787 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
- 4213.903 miles
- 6781.620 kilometers
- 3661.782 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 King Khalid International Airport (RUH) is 8 hours 29 minutes.
Time difference and current local times
The time difference between Hong Kong and Riyadh is 5 hours. Riyadh is 5 hours behind Hong Kong.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 516 kg (1 137 pounds).
Hong Kong to Riyadh flight map.
Frequent Flyer Miles Calculator
Hong Kong (HKG) → Riyadh (RUH).