Air Miles Calculator

Distance between South Bend, IN (SBN) and Lafayette, LA (LFT)

Flight distance from South Bend to Lafayette (South Bend International Airport – Lafayette Regional Airport) is 854 miles / 1374 kilometers / 742 nautical miles. Estimated flight time is 2 hours 7 minutes.

Driving distance from South Bend (SBN) to Lafayette (LFT) is 1023 miles / 1646 kilometers and travel time by car is about 17 hours 42 minutes.

Map of flight path and driving directions from South Bend to Lafayette.

Shortest flight path between South Bend International Airport (SBN) and Lafayette Regional Airport (LFT).

How far is Lafayette from South Bend?

There are several ways to calculate distances between South Bend and Lafayette. Here are two common methods:

Vincenty's formula (applied above)
  • 853.914 miles
  • 1374.242 kilometers
  • 742.031 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
  • 855.214 miles
  • 1376.334 kilometers
  • 743.161 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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

Time difference and current local times

The time difference between South Bend and Lafayette is 1 hour. Lafayette is 1 hour behind South Bend.

Time Difference

South Bend, IN

 EDT

Lafayette, LA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (308 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Lafayette (LFT).

Distance:
854
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
854

Round trip?