Calculations with different methods
- 352.300 miles
- 566.971 kilometers
- 306.140 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
- 351.423 miles
- 565.560 kilometers
- 305.378 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 London International Airport (YXU) is 1 hour 10 minutes.
Time difference and current local times
The time difference between Chicago and London is 1 hour. London is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 74 kg (163 pounds).
Chicago to London flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → London (YXU).