Air Miles Calculator

Distance between Lafayette, LA (LFT) and Rockford, IL (RFD)

Flight distance from Lafayette to Rockford (Lafayette Regional Airport – Chicago Rockford International Airport) is 842 miles / 1355 kilometers / 732 nautical miles. Estimated flight time is 2 hours 5 minutes.

Driving distance from Lafayette (LFT) to Rockford (RFD) is 1011 miles / 1627 kilometers and travel time by car is about 17 hours 25 minutes.

Map of flight path and driving directions from Lafayette to Rockford.

Shortest flight path between Lafayette Regional Airport (LFT) and Chicago Rockford International Airport (RFD).

How far is Rockford from Lafayette?

There are several ways to calculate distances between Lafayette and Rockford. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

There is no time difference between Lafayette and Rockford.

Time Difference

Lafayette, LA

 CST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 139 kg (306 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Rockford (RFD).

Distance:
842
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
842

Round trip?