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

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

The driving distance from Rockford (RFD) to Louisville (SDF) is 385 miles / 619 kilometers, and travel time by car is about 7 hours 24 minutes.

Chicago Rockford International Airport – Louisville International Airport

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329
Miles
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530
Kilometers
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286
Nautical miles

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Distance from Rockford to Louisville

There are several ways to calculate the distance from Rockford to Louisville. 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 Rockford to Louisville?

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

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

On average, flying from Rockford to Louisville 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 Rockford to Louisville

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

Airport information

Origin 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
Destination 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