# 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
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
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.

EDT

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?