Air Miles Calculator logo

How far is Duluth, MN, from South Bend, IN?

The distance between South Bend (South Bend International Airport) and Duluth (Duluth International Airport) is 459 miles / 738 kilometers / 399 nautical miles.

The driving distance from South Bend (SBN) to Duluth (DLH) is 567 miles / 912 kilometers, and travel time by car is about 10 hours 59 minutes.

South Bend International Airport – Duluth International Airport

Distance arrow
459
Miles
Distance arrow
738
Kilometers
Distance arrow
399
Nautical miles

Search flights

Distance from South Bend to Duluth

There are several ways to calculate the distance from South Bend to Duluth. Here are two standard 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 planet.

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).

How long does it take to fly from South Bend to Duluth?

The estimated flight time from South Bend International Airport to Duluth International Airport is 1 hour and 22 minutes.

Flight carbon footprint between South Bend International Airport (SBN) and Duluth International Airport (DLH)

On average, flying from South Bend to Duluth generates about 93 kg of CO2 per passenger, and 93 kilograms equals 204 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between South Bend International Airport (SBN) and Duluth International Airport (DLH).

Airport information

Origin 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
Destination 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