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

The distance between Champaign (University of Illinois Willard Airport) and Casper (Casper–Natrona County International Airport) is 962 miles / 1549 kilometers / 836 nautical miles.

The driving distance from Champaign (CMI) to Casper (CPR) is 1153 miles / 1856 kilometers, and travel time by car is about 20 hours 31 minutes.

University of Illinois Willard Airport – Casper–Natrona County International Airport

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962
Miles
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1549
Kilometers
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836
Nautical miles

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Distance from Champaign to Casper

There are several ways to calculate the distance from Champaign to Casper. Here are two standard methods:

Vincenty's formula (applied above)
  • 962.412 miles
  • 1548.852 kilometers
  • 836.313 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
  • 960.078 miles
  • 1545.096 kilometers
  • 834.285 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 Champaign to Casper?

The estimated flight time from University of Illinois Willard Airport to Casper–Natrona County International Airport is 2 hours and 19 minutes.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Casper–Natrona County International Airport (CPR)

On average, flying from Champaign to Casper generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Champaign to Casper

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Casper–Natrona County International Airport (CPR).

Airport information

Origin University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W
Destination 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