Air Miles Calculator

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

Flight distance from Chicago to Liège (Chicago O'Hare International Airport – Liège Airport) is 4205 miles / 6767 kilometers / 3654 nautical miles. Estimated flight time is 8 hours 27 minutes.

Map of flight path from Chicago to Liège.

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

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).

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

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, IL

 CST

Liège

 CET

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 482 kg (1 063 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Liège (LGG).

Distance:
4205
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4205

Round trip?