How far is Fort Smith from Rock Springs, WY?
The distance between Rock Springs (Southwest Wyoming Regional Airport) and Fort Smith (Fort Smith Airport) is 1280 miles / 2059 kilometers / 1112 nautical miles.
The driving distance from Rock Springs (RKS) to Fort Smith (YSM) is 1557 miles / 2505 kilometers, and travel time by car is about 35 hours 20 minutes.
Southwest Wyoming Regional Airport – Fort Smith Airport
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Distance from Rock Springs to Fort Smith
There are several ways to calculate the distance from Rock Springs to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 1279.670 miles
- 2059.430 kilometers
- 1112.003 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- 1279.090 miles
- 2058.497 kilometers
- 1111.499 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 Fort Smith?
The estimated flight time from Southwest Wyoming Regional Airport to Fort Smith Airport is 2 hours and 55 minutes.
What is the time difference between Rock Springs and Fort Smith?
There is no time difference between Rock Springs and Fort Smith.
Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Fort Smith Airport (YSM)
On average, flying from Rock Springs to Fort Smith generates about 166 kg of CO2 per passenger, and 166 kilograms equals 365 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 Fort Smith
See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Fort Smith Airport (YSM).
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 | Fort Smith Airport |
|---|---|
| City: | Fort Smith |
| Country: | Canada  |
| IATA Code: | YSM |
| ICAO Code: | CYSM |
| Coordinates: | 60°1′13″N, 111°57′43″W |