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Chicago (ORD) - San Francisco (SFO)
Calculations with different methods
- 1846.120 miles
- 2971.042 kilometers
- 1604.235 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
- 1841.724 miles
- 2963.967 kilometers
- 1600.414 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to San Francisco International Airport (SFO) is 3 hours 59 minutes.
Time difference and current local times
The time difference between Chicago and San Francisco is 2 hours. San Francisco is 2 hours behind Chicago.
San Francisco, CA
Flight map from Chicago to San Francisco.
Frequent Flyer Miles Calculator
Chicago (ORD) → San Francisco (SFO).