How far is Rock Springs, WY, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 1065 miles / 1714 kilometers / 925 nautical miles.
The driving distance from Decatur (DEC) to Rock Springs (RKS) is 1171 miles / 1884 kilometers, and travel time by car is about 20 hours 43 minutes.
Decatur Airport – Southwest Wyoming Regional Airport
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Distance from Decatur to Rock Springs
There are several ways to calculate the distance from Decatur to Rock Springs. 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 Decatur to Rock Springs?
The estimated flight time from Decatur Airport to Southwest Wyoming Regional Airport is 2 hours and 30 minutes.
What is the time difference between Decatur and Rock Springs?
Flight carbon footprint between Decatur Airport (DEC) and Southwest Wyoming Regional Airport (RKS)
On average, flying from Decatur to Rock Springs 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 Decatur to Rock Springs
See the map of the shortest flight path between Decatur Airport (DEC) and Southwest Wyoming Regional Airport (RKS).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | 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 |