Map of flight path and driving directions from Casper to Eau Claire.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Chippewa Valley Regional Airport (EAU).
How far is Eau Claire from Casper?
There are several ways to calculate distances between Casper and Eau Claire. Here are two common methods:Vincenty's formula (applied above)
- 758.941 miles
- 1221.397 kilometers
- 659.502 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
- 756.957 miles
- 1218.204 kilometers
- 657.778 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 Eau Claire is 1 hour. Eau Claire is 1 hour ahead of Casper.
Eau Claire, WI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 131 kg (288 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Eau Claire (EAU).