Air Miles Calculator

Distance between Casper, WY (CPR) and Erie, PA (ERI)

Flight distance from Casper to Erie (Casper–Natrona County International Airport – Erie International Airport) is 1339 miles / 2154 kilometers / 1163 nautical miles. Estimated flight time is 3 hours 2 minutes.

Driving distance from Casper (CPR) to Erie (ERI) is 1571 miles / 2528 kilometers and travel time by car is about 26 hours 20 minutes.

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).

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 Erie International Airport
City: Erie, PA
Country: United States Flag of United States
IATA Code: ERI
ICAO Code: KERI
Coordinates: 42°4′55″N, 80°10′34″W

Time difference and current local times

The time difference between Casper and Erie is 2 hours. Erie is 2 hours ahead of Casper.

Time Difference

Casper, WY

 MDT

Erie, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 166 kg (366 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Erie (ERI).

Distance:
1339
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1339

Round trip?