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How far is Seattle, WA, from Duluth, MN?

The distance between Duluth (Duluth International Airport) and Seattle (Seattle–Tacoma International Airport) is 1411 miles / 2271 kilometers / 1226 nautical miles.

The driving distance from Duluth (DLH) to Seattle (SEA) is 1688 miles / 2717 kilometers, and travel time by car is about 29 hours 59 minutes.

Duluth International Airport – Seattle–Tacoma International Airport

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1411
Miles
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2271
Kilometers
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1226
Nautical miles

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Distance from Duluth to Seattle

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

Vincenty's formula (applied above)
  • 1411.070 miles
  • 2270.897 kilometers
  • 1226.186 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
  • 1406.960 miles
  • 2264.282 kilometers
  • 1222.614 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 Seattle?

The estimated flight time from Duluth International Airport to Seattle–Tacoma International Airport is 3 hours and 10 minutes.

Flight carbon footprint between Duluth International Airport (DLH) and Seattle–Tacoma International Airport (SEA)

On average, flying from Duluth to Seattle generates about 174 kg of CO2 per passenger, and 174 kilograms equals 383 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 Seattle

See the map of the shortest flight path between Duluth International Airport (DLH) and Seattle–Tacoma International Airport (SEA).

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 Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W