Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Casper, WY

 MST

Friday Harbor, WA

 PST

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?