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).
Time difference and current local times
The time difference between South Bend and Duluth is 1 hour. Duluth is 1 hour behind South Bend.
South Bend, IN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 93 kg (204 pounds).
Frequent Flyer Miles Calculator
South Bend (SBN) → Duluth (DLH).