How far is Lafayette, LA, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Lafayette (Lafayette Regional Airport) is 842 miles / 1355 kilometers / 732 nautical miles.
The driving distance from Rockford (RFD) to Lafayette (LFT) is 987 miles / 1588 kilometers, and travel time by car is about 18 hours 29 minutes.
Chicago Rockford International Airport – Lafayette Regional Airport
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Distance from Rockford to Lafayette
There are several ways to calculate the distance from Rockford to Lafayette. 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 Rockford to Lafayette?
The estimated flight time from Chicago Rockford International Airport to Lafayette Regional Airport is 2 hours and 5 minutes.
What is the time difference between Rockford and Lafayette?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Lafayette Regional Airport (LFT)
On average, flying from Rockford to Lafayette 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 Rockford to Lafayette
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Lafayette Regional Airport (LFT).
Airport information
| Origin | 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 |
| Destination | Lafayette Regional Airport |
|---|---|
| City: | Lafayette, LA |
| Country: | United States |
| IATA Code: | LFT |
| ICAO Code: | KLFT |
| Coordinates: | 30°12′19″N, 91°59′15″W |