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

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

The driving distance from Duluth (DLH) to South Bend (SBN) is 565 miles / 910 kilometers, and travel time by car is about 10 hours 48 minutes.

Duluth International Airport – South Bend International Airport

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459
Miles
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738
Kilometers
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399
Nautical miles

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Distance from Duluth to South Bend

There are several ways to calculate the distance from Duluth to South Bend. 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 Duluth to South Bend?

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

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

On average, flying from Duluth to South Bend 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 Duluth to South Bend

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

Airport information

Origin 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
Destination 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