Map of flight path and driving directions from Casper to Erie.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Erie International Airport (ERI).
How far is Erie from Casper?
There are several ways to calculate distances between Casper and Erie. Here are two common methods:Vincenty's formula (applied above)
- 1338.529 miles
- 2154.153 kilometers
- 1163.149 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
- 1334.998 miles
- 2148.471 kilometers
- 1160.081 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 Erie is 2 hours. Erie is 2 hours ahead of Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 166 kg (366 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Erie (ERI).