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How far is Duluth, MN, from Sault Ste Marie, MI?

The distance between Sault Ste Marie (Chippewa County International Airport) and Duluth (Duluth International Airport) is 370 miles / 596 kilometers / 322 nautical miles.

The driving distance from Sault Ste Marie (CIU) to Duluth (DLH) is 429 miles / 690 kilometers, and travel time by car is about 9 hours 26 minutes.

Chippewa County International Airport – Duluth International Airport

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370
Miles
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596
Kilometers
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322
Nautical miles

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Distance from Sault Ste Marie to Duluth

There are several ways to calculate the distance from Sault Ste Marie to Duluth. Here are two standard methods:

Vincenty's formula (applied above)
  • 370.080 miles
  • 595.585 kilometers
  • 321.590 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
  • 369.028 miles
  • 593.892 kilometers
  • 320.676 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 Sault Ste Marie to Duluth?

The estimated flight time from Chippewa County International Airport to Duluth International Airport is 1 hour and 12 minutes.

Flight carbon footprint between Chippewa County International Airport (CIU) and Duluth International Airport (DLH)

On average, flying from Sault Ste Marie to Duluth generates about 79 kg of CO2 per passenger, and 79 kilograms equals 175 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sault Ste Marie to Duluth

See the map of the shortest flight path between Chippewa County International Airport (CIU) and Duluth International Airport (DLH).

Airport information

Origin Chippewa County International Airport
City: Sault Ste Marie, MI
Country: United States Flag of United States
IATA Code: CIU
ICAO Code: KCIU
Coordinates: 46°15′2″N, 84°28′20″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