How far is Decatur, IL, from Casper, WY?
The distance between Casper (Casper–Natrona County International Airport) and Decatur (Decatur Airport) is 937 miles / 1508 kilometers / 814 nautical miles.
The driving distance from Casper (CPR) to Decatur (DEC) is 1106 miles / 1780 kilometers, and travel time by car is about 19 hours 39 minutes.
Casper–Natrona County International Airport – Decatur Airport
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Distance from Casper to Decatur
There are several ways to calculate the distance from Casper to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 937.212 miles
- 1508.297 kilometers
- 814.415 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- 934.977 miles
- 1504.700 kilometers
- 812.473 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 Decatur?
The estimated flight time from Casper–Natrona County International Airport to Decatur Airport is 2 hours and 16 minutes.
What is the time difference between Casper and Decatur?
The time difference between Casper and Decatur is 1 hour. Decatur is 1 hour ahead of Casper.
Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Decatur Airport (DEC)
On average, flying from Casper to Decatur generates about 146 kg of CO2 per passenger, and 146 kilograms equals 323 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 Decatur
See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Decatur Airport (DEC).
Airport information
| Origin | 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 |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |