Air Miles Calculator

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 Flag of 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 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

There is no time difference between Casper and Lewistown.

Time Difference

Casper, WY

 MST

Lewistown, MT

 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?