Air Miles Calculator

Distance between Des Moines, IA (DSM) and Lewistown, MT (LWT)

Flight distance from Des Moines to Lewistown (Des Moines International Airport – Lewistown Municipal Airport) is 869 miles / 1399 kilometers / 755 nautical miles. Estimated flight time is 2 hours 8 minutes.

Driving distance from Des Moines (DSM) to Lewistown (LWT) is 1122 miles / 1805 kilometers and travel time by car is about 18 hours 40 minutes.

Map of flight path and driving directions from Des Moines to Lewistown.

Shortest flight path between Des Moines International Airport (DSM) and Lewistown Municipal Airport (LWT).

How far is Lewistown from Des Moines?

There are several ways to calculate distances between Des Moines and Lewistown. Here are two common methods:

Vincenty's formula (applied above)
  • 869.231 miles
  • 1398.892 kilometers
  • 755.341 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
  • 867.418 miles
  • 1395.975 kilometers
  • 753.766 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).

Airport information


A Des Moines International Airport
City: Des Moines, IA
Country: United States Flag of United States
IATA Code: DSM
ICAO Code: KDSM
Coordinates: 41°32′2″N, 93°39′47″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

Time difference and current local times

The time difference between Des Moines and Lewistown is 1 hour. Lewistown is 1 hour behind Des Moines.

Time Difference

Des Moines, IA

 CST

Lewistown, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 141 kg (311 pounds).

Frequent Flyer Miles Calculator

Des Moines (DSM) → Lewistown (LWT).

Distance:
869
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
869

Round trip?