Air Miles Calculator

Distance between Lewiston, ID (LWS) and Decatur, IL (DEC)

Flight distance from Lewiston to Decatur (Lewiston–Nez Perce County Airport – Decatur Airport) is 1485 miles / 2389 kilometers / 1290 nautical miles. Estimated flight time is 3 hours 18 minutes.

Driving distance from Lewiston (LWS) to Decatur (DEC) is 1888 miles / 3039 kilometers and travel time by car is about 32 hours 17 minutes.

Map of flight path and driving directions from Lewiston to Decatur.

Shortest flight path between Lewiston–Nez Perce County Airport (LWS) and Decatur Airport (DEC).

How far is Decatur from Lewiston?

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

Vincenty's formula (applied above)
  • 1484.548 miles
  • 2389.148 kilometers
  • 1290.037 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
  • 1481.067 miles
  • 2383.546 kilometers
  • 1287.012 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 Lewiston–Nez Perce County Airport
City: Lewiston, ID
Country: United States Flag of United States
IATA Code: LWS
ICAO Code: KLWS
Coordinates: 46°22′28″N, 117°0′53″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

The time difference between Lewiston and Decatur is 2 hours. Decatur is 2 hours ahead of Lewiston.

Time Difference

Lewiston, ID

 PST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 179 kg (394 pounds).

Frequent Flyer Miles Calculator

Lewiston (LWS) → Decatur (DEC).

Distance:
1485
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1485

Round trip?