# 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
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
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.

CST

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?