Air Miles Calculator

Distance between Louisville, KY (SDF) and Rockford, IL (RFD)

Flight distance from Louisville to Rockford (Louisville International Airport – Chicago Rockford International Airport) is 329 miles / 530 kilometers / 286 nautical miles. Estimated flight time is 1 hour 7 minutes.

Driving distance from Louisville (SDF) to Rockford (RFD) is 386 miles / 621 kilometers and travel time by car is about 6 hours 54 minutes.

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

Shortest flight path between Louisville International Airport (SDF) and Chicago Rockford International Airport (RFD).

How far is Rockford from Louisville?

There are several ways to calculate distances between Louisville and Rockford. Here are two common methods:

Vincenty's formula (applied above)
  • 329.486 miles
  • 530.257 kilometers
  • 286.316 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
  • 329.576 miles
  • 530.401 kilometers
  • 286.394 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 Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″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

The time difference between Louisville and Rockford is 1 hour. Rockford is 1 hour behind Louisville.

Time Difference

Louisville, KY

 EDT

Rockford, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 74 kg (162 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Rockford (RFD).

Distance:
329
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
329

Round trip?