How far is Rockford, IL, from Louisville, KY?

The distance between Louisville (Louisville International Airport) and Rockford (Chicago Rockford International Airport) is 329 miles / 530 kilometers / 286 nautical miles.

The driving distance from Louisville (SDF) to Rockford (RFD) is 386 miles / 622 kilometers, and travel time by car is about 7 hours 26 minutes.

Distance from Louisville to Rockford

There are several ways to calculate the distance from Louisville to Rockford. Here are two standard 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 planet.

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).

How long does it take to fly from Louisville to Rockford?

The estimated flight time from Louisville International Airport to Chicago Rockford International Airport is 1 hour and 7 minutes.

What is the time difference between Louisville and Rockford?

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

Flight carbon footprint between Louisville International Airport (SDF) and Chicago Rockford International Airport (RFD)

On average, flying from Louisville to Rockford generates about 74 kg of CO2 per passenger, and 74 kilograms equals 162 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Louisville to Rockford

See the map of the shortest flight path between Louisville International Airport (SDF) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Louisville International Airport
City:	Louisville, KY
Country:	United States
IATA Code:	SDF
ICAO Code:	KSDF
Coordinates:	38°10′27″N, 85°44′9″W

Destination	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