Air Miles Calculator

Distance between La Crosse, WI (LSE) and Decatur, IL (DEC)

Flight distance from La Crosse to Decatur (La Crosse Regional Airport – Decatur Airport) is 305 miles / 491 kilometers / 265 nautical miles. Estimated flight time is 1 hour 4 minutes.

Driving distance from La Crosse (LSE) to Decatur (DEC) is 384 miles / 618 kilometers and travel time by car is about 6 hours 39 minutes.

Map of flight path and driving directions from La Crosse to Decatur.

Shortest flight path between La Crosse Regional Airport (LSE) and Decatur Airport (DEC).

How far is Decatur from La Crosse?

There are several ways to calculate distances between La Crosse and Decatur. Here are two common methods:

Vincenty's formula (applied above)
  • 305.139 miles
  • 491.073 kilometers
  • 265.158 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
  • 305.295 miles
  • 491.325 kilometers
  • 265.295 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 La Crosse Regional Airport
City: La Crosse, WI
Country: United States Flag of United States
IATA Code: LSE
ICAO Code: KLSE
Coordinates: 43°52′44″N, 91°15′24″W

B Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W

Time difference and current local times

There is no time difference between La Crosse and Decatur.

Time Difference

La Crosse, WI

 CDT

Decatur, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 70 kg (154 pounds).

Frequent Flyer Miles Calculator

La Crosse (LSE) → Decatur (DEC).

Distance:
305
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
305

Round trip?