How far is Ontario from San Francisco?
There are several ways to calculate distances between San Francisco and Ontario. Here are two common methods:Vincenty's formula (applied above)
- 363.457 miles
- 584.927 kilometers
- 315.835 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
- 363.368 miles
- 584.785 kilometers
- 315.758 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).
Estimated flight time from San Francisco International Airport (SFO) to Ontario International Airport (ONT) is 1 hour 11 minutes.
Time difference and current local times
There is no time difference between San Francisco and Ontario.
San Francisco, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 77 kg (170 pounds).
San Francisco to Ontario flight map.
Frequent Flyer Miles Calculator
San Francisco (SFO) → Ontario (ONT).