Air Miles Calculator

Distance between South Bend, IN (SBN) and Fort Smith, AR (FSM)

Flight distance from South Bend to Fort Smith (South Bend International Airport – Fort Smith Regional Airport) is 619 miles / 996 kilometers / 538 nautical miles. Estimated flight time is 1 hour 40 minutes.

Driving distance from South Bend (SBN) to Fort Smith (FSM) is 773 miles / 1244 kilometers and travel time by car is about 13 hours 39 minutes.

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).

Airport information


A South Bend International Airport
City: South Bend, IN
Country: United States Flag of United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″W

B Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W

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.

Time Difference

South Bend, IN

 EDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 115 kg (254 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Fort Smith (FSM).

Distance:
619
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
619

Round trip?