Calculations with different methods
- 4148.639 miles
- 6676.587 kilometers
- 3605.069 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
- 4147.145 miles
- 6674.183 kilometers
- 3603.771 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from King Khalid International Airport (RUH) to Singapore Changi Airport (SIN) is 8 hours 21 minutes.
Time difference and current local times
The time difference between Riyadh and Singapore is 5 hours. Singapore is 5 hours ahead of Riyadh.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 506 kg (1 116 pounds).
Riyadh to Singapore flight map.
Frequent Flyer Miles Calculator
Riyadh (RUH) → Singapore (SIN).