# Distance between Casper, WY (CPR) and Walla Walla, WA (ALW)

Flight distance from Casper to Walla Walla (Casper–Natrona County International Airport – Walla Walla Regional Airport) is 624 miles / 1004 kilometers / 542 nautical miles. Estimated flight time is 1 hour 40 minutes.

Driving distance from Casper (CPR) to Walla Walla (ALW) is 961 miles / 1547 kilometers and travel time by car is about 16 hours 18 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Walla Walla Regional Airport (ALW).

## How far is Walla Walla from Casper?

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

Vincenty's formula (applied above)
• 623.606 miles
• 1003.597 kilometers
• 541.899 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
• 622.150 miles
• 1001.254 kilometers
• 540.634 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 Walla Walla Regional Airport
City: Walla Walla, WA
Country: United States
IATA Code: ALW
ICAO Code: KALW
Coordinates: 46°5′41″N, 118°17′16″W

## Time difference and current local times

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

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 116 kg (255 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Walla Walla (ALW).

Distance:
624
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
624

Round trip?