Calculations with different methods
- 716.699 miles
- 1153.416 kilometers
- 622.795 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
- 715.621 miles
- 1151.680 kilometers
- 621.857 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Norfolk International Airport (ORF) to O'Hare International Airport (ORD) is 1 hour 51 minutes.
Time difference and current local times
The time difference between Norfolk and Chicago is 1 hour. Chicago is 1 hour behind Norfolk.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 114 kg (251 pounds).
Norfolk to Chicago flight map.
Frequent Flyer Miles Calculator
Norfolk (ORF) → Chicago (ORD).