# Distance between Casper, WY (CPR) and Port Angeles, WA (CLM)

Flight distance from Casper to Port Angeles (Casper–Natrona County International Airport – William R. Fairchild International Airport) is 900 miles / 1448 kilometers / 782 nautical miles. Estimated flight time is 2 hours 12 minutes.

Driving distance from Casper (CPR) to Port Angeles (CLM) is 1189 miles / 1913 kilometers and travel time by car is about 20 hours 28 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and William R. Fairchild International Airport (CLM).

## How far is Port Angeles from Casper?

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

Vincenty's formula (applied above)
• 899.573 miles
• 1447.722 kilometers
• 781.707 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
• 897.513 miles
• 1444.407 kilometers
• 779.917 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 William R. Fairchild International Airport
City: Port Angeles, WA
Country: United States
IATA Code: CLM
ICAO Code: KCLM
Coordinates: 48°7′12″N, 123°30′0″W

## Time difference and current local times

The time difference between Casper and Port Angeles is 1 hour. Port Angeles is 1 hour behind Casper.

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (316 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Port Angeles (CLM).

Distance:
900
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
900

Round trip?