How far is Casper, WY, from Erie, PA?
The distance between Erie (Erie International Airport) and Casper (Casper–Natrona County International Airport) is 1339 miles / 2154 kilometers / 1163 nautical miles.
The driving distance from Erie (ERI) to Casper (CPR) is 1573 miles / 2531 kilometers, and travel time by car is about 27 hours 59 minutes.
Erie International Airport – Casper–Natrona County International Airport
Search flights
Distance from Erie to Casper
There are several ways to calculate the distance from Erie to Casper. Here are two standard 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 planet.
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).
How long does it take to fly from Erie to Casper?
The estimated flight time from Erie International Airport to Casper–Natrona County International Airport is 3 hours and 2 minutes.
What is the time difference between Erie and Casper?
The time difference between Erie and Casper is 2 hours. Casper is 2 hours behind Erie.
Flight carbon footprint between Erie International Airport (ERI) and Casper–Natrona County International Airport (CPR)
On average, flying from Erie to Casper generates about 169 kg of CO2 per passenger, and 169 kilograms equals 373 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Erie to Casper
See the map of the shortest flight path between Erie International Airport (ERI) and Casper–Natrona County International Airport (CPR).
Airport information
| Origin | Erie International Airport |
|---|---|
| City: | Erie, PA |
| Country: | United States  |
| IATA Code: | ERI |
| ICAO Code: | KERI |
| Coordinates: | 42°4′55″N, 80°10′34″W |
| Destination | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |