# 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
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
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.

CST

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?