Air Miles Calculator

Distance between Louisville, KY (SDF) and Seattle, WA (SEA)

Flight distance from Louisville to Seattle (Louisville International Airport – Seattle–Tacoma International Airport) is 1945 miles / 3130 kilometers / 1690 nautical miles. Estimated flight time is 4 hours 10 minutes.

Driving distance from Louisville (SDF) to Seattle (SEA) is 2382 miles / 3834 kilometers and travel time by car is about 39 hours 18 minutes.

Map of flight path and driving directions from Louisville to Seattle.

Shortest flight path between Louisville International Airport (SDF) and Seattle–Tacoma International Airport (SEA).

How far is Seattle from Louisville?

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

Vincenty's formula (applied above)
  • 1944.890 miles
  • 3129.996 kilometers
  • 1690.063 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
  • 1940.486 miles
  • 3122.909 kilometers
  • 1686.236 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).

Airport information


A Louisville International Airport
City: Louisville, KY
Country: United States Flag of United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B 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

Time difference and current local times

The time difference between Louisville and Seattle is 3 hours. Seattle is 3 hours behind Louisville.

Time Difference

Louisville, KY

 EDT

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 212 kg (468 pounds).

Frequent Flyer Miles Calculator

Louisville (SDF) → Seattle (SEA).

Distance:
1945
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1945

Round trip?