Map of flight path and driving directions from Casper to Fort Smith.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Casper?
There are several ways to calculate distances between Casper and Fort Smith. Here are two common methods:Vincenty's formula (applied above)
- 832.368 miles
- 1339.567 kilometers
- 723.308 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
- 831.657 miles
- 1338.423 kilometers
- 722.691 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 Casper and Fort Smith is 1 hour. Fort Smith is 1 hour ahead of Casper.
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 138 kg (304 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Fort Smith (FSM).