Air Miles Calculator

Distance between Casper, WY (CPR) and Peoria, IL (PIA)

Flight distance from Casper to Peoria (Casper–Natrona County International Airport – General Wayne A. Downing Peoria International Airport) is 878 miles / 1414 kilometers / 763 nautical miles. Estimated flight time is 2 hours 9 minutes.

Driving distance from Casper (CPR) to Peoria (PIA) is 1078 miles / 1735 kilometers and travel time by car is about 17 hours 38 minutes.

Map of flight path and driving directions from Casper to Peoria.

Shortest flight path between Casper–Natrona County International Airport (CPR) and General Wayne A. Downing Peoria International Airport (PIA).

How far is Peoria from Casper?

There are several ways to calculate distances between Casper and Peoria. Here are two common methods:

Vincenty's formula (applied above)
  • 878.448 miles
  • 1413.726 kilometers
  • 763.351 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
  • 876.264 miles
  • 1410.210 kilometers
  • 761.453 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 General Wayne A. Downing Peoria International Airport
City: Peoria, IL
Country: United States Flag of United States
IATA Code: PIA
ICAO Code: KPIA
Coordinates: 40°39′51″N, 89°41′35″W

Time difference and current local times

The time difference between Casper and Peoria is 1 hour. Peoria is 1 hour ahead of Casper.

Time Difference

Casper, WY

 MST

Peoria, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 142 kg (313 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Peoria (PIA).

Distance:
878
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
878

Round trip?