Air Miles Calculator logo

How far is Lewistown, MT, from Chicago, IL?

The distance between Chicago (Chicago Midway International Airport) and Lewistown (Lewistown Municipal Airport) is 1130 miles / 1819 kilometers / 982 nautical miles.

The driving distance from Chicago (MDW) to Lewistown (LWT) is 1281 miles / 2061 kilometers, and travel time by car is about 23 hours 10 minutes.

Chicago Midway International Airport – Lewistown Municipal Airport

Distance arrow
1130
Miles
Distance arrow
1819
Kilometers
Distance arrow
982
Nautical miles

Search flights

Distance from Chicago to Lewistown

There are several ways to calculate the distance from Chicago to Lewistown. Here are two standard methods:

Vincenty's formula (applied above)
  • 1129.978 miles
  • 1818.524 kilometers
  • 981.924 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1127.267 miles
  • 1814.160 kilometers
  • 979.568 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).

How long does it take to fly from Chicago to Lewistown?

The estimated flight time from Chicago Midway International Airport to Lewistown Municipal Airport is 2 hours and 38 minutes.

Flight carbon footprint between Chicago Midway International Airport (MDW) and Lewistown Municipal Airport (LWT)

On average, flying from Chicago to Lewistown generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to Lewistown

See the map of the shortest flight path between Chicago Midway International Airport (MDW) and Lewistown Municipal Airport (LWT).

Airport information

Origin Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W
Destination 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