Map of flight path and driving directions from Chicago to London.
Shortest flight path between Chicago O'Hare International Airport (ORD) and London International Airport (YXU).
How far is London from Chicago?
There are several ways to calculate distances between Chicago and London. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
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 77 kg (169 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → London (YXU).