Air Miles Calculator

Distance between Chicago, IL (ORD) and Casper, WY (CPR)

Distance from Chicago to Casper (O'Hare International Airport – Casper–Natrona County International Airport) is 949 miles / 1527 kilometers / 825 nautical miles.

How far is Casper from Chicago?

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

Vincenty's formula (applied above)
  • 949.022 miles
  • 1527.304 kilometers
  • 824.678 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
  • 946.532 miles
  • 1523.295 kilometers
  • 822.514 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).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Casper–Natrona County International Airport (CPR) is 2 hours 17 minutes.

Time difference and current local times

The time difference between Chicago and Casper is 1 hour. Casper is 1 hour behind Chicago.

Time Difference

Chicago
Casper

Chicago, IL

 CST

Casper, WY

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 147 kg (325 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B 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

Map

Chicago to Casper flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Casper (CPR).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
949
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
949

Round trip?