Air Miles Calculator

Distance between South Bend, IN (SBN) and Duluth, MN (DLH)

Flight distance from South Bend to Duluth (South Bend International Airport – Duluth International Airport) is 459 miles / 738 kilometers / 399 nautical miles. Estimated flight time is 1 hour 22 minutes.

Driving distance from South Bend (SBN) to Duluth (DLH) is 564 miles / 907 kilometers and travel time by car is about 10 hours 12 minutes.

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

Shortest flight path between South Bend International Airport (SBN) and Duluth International Airport (DLH).

How far is Duluth from South Bend?

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

Vincenty's formula (applied above)
  • 458.633 miles
  • 738.099 kilometers
  • 398.542 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
  • 458.318 miles
  • 737.591 kilometers
  • 398.267 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 Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W

Time difference and current local times

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

Time Difference

South Bend, IN

 EDT

Duluth, MN

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 93 kg (204 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Duluth (DLH).

Distance:
459
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
459

Round trip?