How far is Decatur, IL, from Rock Springs, WY?
The distance between Rock Springs (Southwest Wyoming Regional Airport) and Decatur (Decatur Airport) is 1065 miles / 1714 kilometers / 925 nautical miles.
The driving distance from Rock Springs (RKS) to Decatur (DEC) is 1169 miles / 1882 kilometers, and travel time by car is about 20 hours 41 minutes.
Southwest Wyoming Regional Airport – Decatur Airport
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Distance from Rock Springs to Decatur
There are several ways to calculate the distance from Rock Springs to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 1065.005 miles
- 1713.959 kilometers
- 925.464 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- 1062.352 miles
- 1709.690 kilometers
- 923.159 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 Rock Springs to Decatur?
The estimated flight time from Southwest Wyoming Regional Airport to Decatur Airport is 2 hours and 30 minutes.
What is the time difference between Rock Springs and Decatur?
Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Decatur Airport (DEC)
On average, flying from Rock Springs to Decatur generates about 155 kg of CO2 per passenger, and 155 kilograms equals 341 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rock Springs to Decatur
See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Decatur Airport (DEC).
Airport information
| Origin | Southwest Wyoming Regional Airport |
|---|---|
| City: | Rock Springs, WY |
| Country: | United States  |
| IATA Code: | RKS |
| ICAO Code: | KRKS |
| Coordinates: | 41°35′39″N, 109°3′54″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 |