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

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

The driving distance from Seattle (SEA) to Duluth (DLH) is 1688 miles / 2717 kilometers, and travel time by car is about 30 hours 2 minutes.

Distance from Seattle to Duluth

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

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

What is the time difference between Seattle and Duluth?

The time difference between Seattle and Duluth is 2 hours. Duluth is 2 hours ahead of Seattle.

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

On average, flying from Seattle to Duluth 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 Seattle to Duluth

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

Airport information

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

Destination	Duluth International Airport
City:	Duluth, MN
Country:	United States
IATA Code:	DLH
ICAO Code:	KDLH
Coordinates:	46°50′31″N, 92°11′36″W