Map of flight path and driving directions from South Bend to Fort Smith.
Shortest flight path between South Bend International Airport (SBN) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from South Bend?
There are several ways to calculate distances between South Bend and Fort Smith. Here are two common methods:Vincenty's formula (applied above)
- 618.683 miles
- 995.674 kilometers
- 537.621 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
- 618.475 miles
- 995.339 kilometers
- 537.440 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 South Bend and Fort Smith is 1 hour. Fort Smith is 1 hour behind South Bend.
South Bend, IN
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 115 kg (254 pounds).
Frequent Flyer Miles Calculator
South Bend (SBN) → Fort Smith (FSM).