# 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
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
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.

EDT

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?