How far is Liège from Chicago?
There are several ways to calculate distances between Chicago and Liège. Here are two common methods:Vincenty's formula (applied above)
- 4204.696 miles
- 6766.802 kilometers
- 3653.781 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
- 4193.040 miles
- 6748.044 kilometers
- 3643.652 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).
Estimated flight time from O'Hare International Airport (ORD) to Liège Airport (LGG) is 8 hours 27 minutes.
Time difference and current local times
The time difference between Chicago and Liège is 7 hours. Liège is 7 hours ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 489 kg (1 077 pounds).
Chicago to Liège flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Liège (LGG).