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How far is Rockford, IL, from Liège?

The distance between Liège (Liège Airport) and Rockford (Chicago Rockford International Airport) is 4239 miles / 6822 kilometers / 3683 nautical miles.

Liège Airport – Chicago Rockford International Airport

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4239
Miles
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6822
Kilometers
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3683
Nautical miles

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Distance from Liège to Rockford

There are several ways to calculate the distance from Liège to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
  • 4238.759 miles
  • 6821.621 kilometers
  • 3683.381 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 4226.965 miles
  • 6802.642 kilometers
  • 3673.133 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).

How long does it take to fly from Liège to Rockford?

The estimated flight time from Liège Airport to Chicago Rockford International Airport is 8 hours and 31 minutes.

Flight carbon footprint between Liège Airport (LGG) and Chicago Rockford International Airport (RFD)

On average, flying from Liège to Rockford generates about 486 kg of CO2 per passenger, and 486 kilograms equals 1 072 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Liège to Rockford

See the map of the shortest flight path between Liège Airport (LGG) and Chicago Rockford International Airport (RFD).

Airport information

Origin Liège Airport
City: Liège
Country: Belgium Flag of Belgium
IATA Code: LGG
ICAO Code: EBLG
Coordinates: 50°38′14″N, 5°26′35″E
Destination Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W