Calculations with different methods
- 1835.763 miles
- 2954.374 kilometers
- 1595.234 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
- 1831.379 miles
- 2947.318 kilometers
- 1591.425 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 Oakland International Airport (OAK) is 3 hours 58 minutes.
Time difference and current local times
The time difference between Chicago and Oakland is 2 hours. Oakland is 2 hours behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 213 kg (469 pounds).
Chicago to Oakland flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Oakland (OAK).