# Distance between Casper, WY (CPR) and Friday Harbor, WA (FRD)

Flight distance from Casper to Friday Harbor (Casper–Natrona County International Airport – Friday Harbor Airport) is 888 miles / 1428 kilometers / 771 nautical miles. Estimated flight time is 2 hours 10 minutes.

Driving distance from Casper (CPR) to Friday Harbor (FRD) is 1196 miles / 1925 kilometers and travel time by car is about 20 hours 46 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Friday Harbor Airport (FRD).

## How far is Friday Harbor from Casper?

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

Vincenty's formula (applied above)
• 887.565 miles
• 1428.397 kilometers
• 771.273 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
• 885.608 miles
• 1425.249 kilometers
• 769.573 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 Friday Harbor Airport
City: Friday Harbor, WA
Country: United States
IATA Code: FRD
ICAO Code: KFHR
Coordinates: 48°31′19″N, 123°1′26″W

## Time difference and current local times

The time difference between Casper and Friday Harbor is 1 hour. Friday Harbor is 1 hour behind Casper.

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (314 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Friday Harbor (FRD).

Distance:
888
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
888

Round trip?