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How far is Rockford, IL, from Lafayette, LA?

The distance between Lafayette (Lafayette Regional Airport) and Rockford (Chicago Rockford International Airport) is 842 miles / 1355 kilometers / 732 nautical miles.

The driving distance from Lafayette (LFT) to Rockford (RFD) is 990 miles / 1593 kilometers, and travel time by car is about 18 hours 28 minutes.

Lafayette Regional Airport – Chicago Rockford International Airport

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842
Miles
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1355
Kilometers
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732
Nautical miles

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Distance from Lafayette to Rockford

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

Vincenty's formula (applied above)
  • 842.198 miles
  • 1355.386 kilometers
  • 731.850 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
  • 843.818 miles
  • 1357.994 kilometers
  • 733.258 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 Lafayette to Rockford?

The estimated flight time from Lafayette Regional Airport to Chicago Rockford International Airport is 2 hours and 5 minutes.

What is the time difference between Lafayette and Rockford?

There is no time difference between Lafayette and Rockford.

Flight carbon footprint between Lafayette Regional Airport (LFT) and Chicago Rockford International Airport (RFD)

On average, flying from Lafayette to Rockford generates about 139 kg of CO2 per passenger, and 139 kilograms equals 306 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lafayette to Rockford

See the map of the shortest flight path between Lafayette Regional Airport (LFT) and Chicago Rockford International Airport (RFD).

Airport information

Origin Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W
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