# Distance between Casper, WY (CPR) and Lewiston, ID (LWS)

Flight distance from Casper to Lewiston (Casper–Natrona County International Airport – Lewiston–Nez Perce County Airport) is 572 miles / 920 kilometers / 497 nautical miles. Estimated flight time is 1 hour 34 minutes.

Driving distance from Casper (CPR) to Lewiston (LWS) is 844 miles / 1358 kilometers and travel time by car is about 15 hours 3 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Lewiston–Nez Perce County Airport (LWS).

## How far is Lewiston from Casper?

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

Vincenty's formula (applied above)
• 571.961 miles
• 920.482 kilometers
• 497.020 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
• 570.719 miles
• 918.482 kilometers
• 495.941 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 Lewiston–Nez Perce County Airport
City: Lewiston, ID
Country: United States
IATA Code: LWS
ICAO Code: KLWS
Coordinates: 46°22′28″N, 117°0′53″W

## Time difference and current local times

The time difference between Casper and Lewiston is 1 hour. Lewiston is 1 hour behind Casper.

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 109 kg (240 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Lewiston (LWS).

Distance:
572
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
572

Round trip?