Map of flight path and driving directions from Chicago to Lewistown.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Lewistown Municipal Airport (LWT).
How far is Lewistown from Chicago?
There are several ways to calculate distances between Chicago and Lewistown. Here are two common methods:Vincenty's formula (applied above)
- 1117.107 miles
- 1797.810 kilometers
- 970.740 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
- 1114.399 miles
- 1793.452 kilometers
- 968.386 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 Lewistown is 1 hour. Lewistown is 1 hour behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 158 kg (347 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Lewistown (LWT).