Air Miles Calculator

Distance between Chicago, IL (ORD) and Lewistown, MT (LWT)

Distance from Chicago to Lewistown (Chicago O'Hare International Airport – Lewistown Municipal Airport) is 1117 miles / 1798 kilometers / 971 nautical miles.

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).

Flight duration

Estimated flight time from Chicago 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.

Time Difference

Chicago
Lewistown

Chicago, IL

 CDT

Lewistown, MT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 158 kg (347 pounds).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″W

Chicago to Lewistown flight path

Shortest flight path between Chicago O'Hare International Airport (ORD) and Lewistown Municipal Airport (LWT).

Frequent Flyer Miles Calculator

Chicago (ORD) → Lewistown (LWT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1117
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1117

Round trip?