Air Miles Calculator

Distance between Casper, WY (CPR) and Springfield, IL (SPI)

Flight distance from Casper to Springfield (Casper–Natrona County International Airport – Springfield Abraham Lincoln Capital Airport) is 896 miles / 1442 kilometers / 779 nautical miles. Estimated flight time is 2 hours 11 minutes.

Driving distance from Casper (CPR) to Springfield (SPI) is 1061 miles / 1707 kilometers and travel time by car is about 17 hours 42 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Springfield Abraham Lincoln Capital Airport (SPI).

How far is Springfield from Casper?

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

Vincenty's formula (applied above)
  • 896.141 miles
  • 1442.200 kilometers
  • 778.726 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
  • 894.020 miles
  • 1438.785 kilometers
  • 776.882 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 Springfield Abraham Lincoln Capital Airport
City: Springfield, IL
Country: United States Flag of United States
IATA Code: SPI
ICAO Code: KSPI
Coordinates: 39°50′38″N, 89°40′40″W

Time difference and current local times

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

Time Difference

Casper, WY

 MST

Springfield, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (316 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Springfield (SPI).

Distance:
896
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
896

Round trip?