Map of flight path and driving directions from Chicago to Lewiston.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Lewiston–Nez Perce County Airport (LWS).
How far is Lewiston from Chicago?
There are several ways to calculate distances between Chicago and Lewiston. Here are two common methods:Vincenty's formula (applied above)
- 1469.160 miles
- 2364.384 kilometers
- 1276.665 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
- 1465.351 miles
- 2358.253 kilometers
- 1273.355 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 Chicago and Lewiston is 2 hours. Lewiston is 2 hours behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (391 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Lewiston (LWS).