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).
Time difference and current local times
The time difference between Casper and Friday Harbor is 1 hour. Friday Harbor is 1 hour behind Casper.
Friday Harbor, WA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 143 kg (314 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Friday Harbor (FRD).