Air Miles Calculator

Distance between Little Rock, AR (LIT) and Decatur, IL (DEC)

Flight distance from Little Rock to Decatur (Clinton National Airport – Decatur Airport) is 398 miles / 640 kilometers / 346 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from Little Rock (LIT) to Decatur (DEC) is 487 miles / 783 kilometers and travel time by car is about 8 hours 57 minutes.

Map of flight path and driving directions from Little Rock to Decatur.

Shortest flight path between Clinton National Airport (LIT) and Decatur Airport (DEC).

How far is Decatur from Little Rock?

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

Vincenty's formula (applied above)
  • 397.662 miles
  • 639.975 kilometers
  • 345.559 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
  • 398.056 miles
  • 640.609 kilometers
  • 345.901 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 Clinton National Airport
City: Little Rock, AR
Country: United States Flag of United States
IATA Code: LIT
ICAO Code: KLIT
Coordinates: 34°43′45″N, 92°13′27″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 Little Rock and Decatur.

Time Difference

Little Rock, AR

 CST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 84 kg (184 pounds).

Frequent Flyer Miles Calculator

Little Rock (LIT) → Decatur (DEC).

Distance:
398
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
398

Round trip?