# Distance between Casper, WY (CPR) and Champaign, IL (CMI)

Flight distance from Casper to Champaign (Casper–Natrona County International Airport – University of Illinois Willard Airport) is 962 miles / 1549 kilometers / 836 nautical miles. Estimated flight time is 2 hours 19 minutes.

Driving distance from Casper (CPR) to Champaign (CMI) is 1149 miles / 1849 kilometers and travel time by car is about 19 hours 13 minutes.

## Map of flight path and driving directions from Casper to Champaign.

Shortest flight path between Casper–Natrona County International Airport (CPR) and University of Illinois Willard Airport (CMI).

## How far is Champaign from Casper?

There are several ways to calculate distances between Casper and Champaign. Here are two common 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 earth.

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).

## Airport information

A 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

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

## Time difference and current local times

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

MST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 148 kg (327 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Champaign (CMI).

Distance:
962
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
962

Round trip?