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How far is Chicago, IL, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Chicago (Chicago O'Hare International Airport) is 949 miles / 1527 kilometers / 825 nautical miles.

The driving distance from Casper (CPR) to Chicago (ORD) is 1147 miles / 1846 kilometers, and travel time by car is about 20 hours 6 minutes.

Casper–Natrona County International Airport – Chicago O'Hare International Airport

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949
Miles
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1527
Kilometers
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825
Nautical miles

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Distance from Casper to Chicago

There are several ways to calculate the distance from Casper to Chicago. Here are two standard 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 planet.

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).

How long does it take to fly from Casper to Chicago?

The estimated flight time from Casper–Natrona County International Airport to Chicago O'Hare International Airport is 2 hours and 17 minutes.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Chicago O'Hare International Airport (ORD)

On average, flying from Casper to Chicago generates about 147 kg of CO2 per passenger, and 147 kilograms equals 325 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Casper to Chicago

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Chicago O'Hare International Airport (ORD).

Airport information

Origin 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
Destination Chicago 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