Map of flight path and driving directions from Lexington to Rockford.
Shortest flight path between Lexington Blue Grass Airport (LEX) and Chicago Rockford International Airport (RFD).
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).
Time difference and current local times
The time difference between Lexington and Rockford is 1 hour. Rockford is 1 hour behind Lexington.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 80 kg (176 pounds).
Frequent Flyer Miles Calculator
Lexington (LEX) → Rockford (RFD).