Air Miles Calculator

Distance between Seattle, WA (BFI) and Duluth, MN (DLH)

Distance from Seattle to Duluth (Boeing Field – Duluth International Airport) is 1410 miles / 2269 kilometers / 1225 nautical miles.

How far is Duluth from Seattle?

There are several ways to calculate distances between Seattle and Duluth. Here are two common methods:

Vincenty's formula (applied above)
  • 1409.833 miles
  • 2268.907 kilometers
  • 1225.112 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1405.724 miles
  • 2262.294 kilometers
  • 1221.541 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Duluth International Airport (DLH) is 3 hours 10 minutes.

Time difference and current local times

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

Time Difference

Seattle
Duluth

Seattle, WA

 PDT

Duluth, MN

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 168 kg (370 pounds).

Airport information


A Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B 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

Seattle to Duluth flight path

Shortest flight path between Boeing Field (BFI) and Duluth International Airport (DLH).

Frequent Flyer Miles Calculator

Seattle (BFI) → Duluth (DLH).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1410
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1410

Round trip?