# Distance between Casper, WY (CPR) and Lewistown, MT (LWT)

Flight distance from Casper to Lewistown (Casper–Natrona County International Airport – Lewistown Municipal Airport) is 322 miles / 518 kilometers / 279 nautical miles. Estimated flight time is 1 hour 6 minutes.

Driving distance from Casper (CPR) to Lewistown (LWT) is 406 miles / 654 kilometers and travel time by car is about 7 hours 33 minutes.

## Map of flight path and driving directions from Casper to Lewistown.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Lewistown Municipal Airport (LWT).

## How far is Lewistown from Casper?

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

Vincenty's formula (applied above)
• 321.563 miles
• 517.505 kilometers
• 279.430 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
• 321.521 miles
• 517.438 kilometers
• 279.394 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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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

There is no time difference between Casper and Lewistown.

MST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 72 kg (159 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Lewistown (LWT).

Distance:
322
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
322

Round trip?