Air Miles Calculator

Distance between Chicago, IL (ORD) and Liège (LGG)

Distance from Chicago to Liège (Chicago O'Hare International Airport – Liège Airport) is 4205 miles / 6767 kilometers / 3654 nautical miles.

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).

Flight duration

Estimated flight time from Chicago 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.

Time Difference

Chicago
Liège

Chicago, IL

 CDT

Liège

 CEST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 489 kg (1 077 pounds).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Liège Airport
City: Liège
Country: Belgium Flag of Belgium
IATA Code: LGG
ICAO Code: EBLG
Coordinates: 50°38′14″N, 5°26′35″E

Chicago to Liège flight path

Shortest flight path between Chicago O'Hare International Airport (ORD) and Liège Airport (LGG).

Frequent Flyer Miles Calculator

Chicago (ORD) → Liège (LGG).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
4205
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4205

Round trip?