How far is Rock Springs, WY, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 905 miles / 1456 kilometers / 786 nautical miles.
The driving distance from Fort Smith (FSM) to Rock Springs (RKS) is 1138 miles / 1832 kilometers, and travel time by car is about 19 hours 45 minutes.
Fort Smith Regional Airport – Southwest Wyoming Regional Airport
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Distance from Fort Smith to Rock Springs
There are several ways to calculate the distance from Fort Smith to Rock Springs. Here are two standard methods:
Vincenty's formula (applied above)- 904.655 miles
- 1455.901 kilometers
- 786.124 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- 903.324 miles
- 1453.759 kilometers
- 784.967 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 Fort Smith to Rock Springs?
The estimated flight time from Fort Smith Regional Airport to Southwest Wyoming Regional Airport is 2 hours and 12 minutes.
What is the time difference between Fort Smith and Rock Springs?
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Southwest Wyoming Regional Airport (RKS)
On average, flying from Fort Smith to Rock Springs generates about 144 kg of CO2 per passenger, and 144 kilograms equals 317 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Smith to Rock Springs
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Southwest Wyoming Regional Airport (RKS).
Airport information
| Origin | Fort Smith Regional Airport |
|---|---|
| City: | Fort Smith, AR |
| Country: | United States  |
| IATA Code: | FSM |
| ICAO Code: | KFSM |
| Coordinates: | 35°20′11″N, 94°22′2″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 |