Air Miles Calculator

Distance between Lexington, KY (LEX) and Rockford, IL (RFD)

Distance from Lexington to Rockford (Blue Grass Airport – Chicago Rockford International Airport) is 373 miles / 600 kilometers / 324 nautical miles.

How far is Rockford from Lexington?

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

Vincenty's formula (applied above)
  • 372.623 miles
  • 599.679 kilometers
  • 323.801 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
  • 372.559 miles
  • 599.575 kilometers
  • 323.745 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).

Flight duration

Estimated flight time from Blue Grass Airport (LEX) to Chicago Rockford International Airport (RFD) is 1 hour 12 minutes.

Time difference and current local times

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

Time Difference

Lexington
Rockford

Lexington, KY

 EST

Rockford, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 79 kg (174 pounds).

Airport information


A Blue Grass Airport
City: Lexington, KY
Country: United States Flag of United States
IATA Code: LEX
ICAO Code: KLEX
Coordinates: 38°2′11″N, 84°36′21″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

Map

Lexington to Rockford flight map.

Frequent Flyer Miles Calculator

Lexington (LEX) → Rockford (RFD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
373
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
373

Round trip?