Map of flight path and driving directions from Rock Springs to Fort Smith.
Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Rock Springs?
There are several ways to calculate distances between Rock Springs and Fort Smith. Here are two common 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 earth.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).
Time difference and current local times
The time difference between Rock Springs and Fort Smith is 1 hour. Fort Smith is 1 hour ahead of Rock Springs.
Rock Springs, WY
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 144 kg (317 pounds).
Frequent Flyer Miles Calculator
Rock Springs (RKS) → Fort Smith (FSM).