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).
Estimated flight time from O'Hare International Airport (ORD) to Lewistown Municipal Airport (LWT) is 2 hours 36 minutes.
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).
Chicago to Lewistown flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Lewistown (LWT).