# Distance between Louisville, KY (SDF) and Friday Harbor, WA (FRD)

Flight distance from Louisville to Friday Harbor (Louisville International Airport – Friday Harbor Airport) is 1986 miles / 3196 kilometers / 1726 nautical miles. Estimated flight time is 4 hours 15 minutes.

Driving distance from Louisville (SDF) to Friday Harbor (FRD) is 2472 miles / 3979 kilometers and travel time by car is about 41 hours 54 minutes.

## Map of flight path and driving directions from Louisville to Friday Harbor.

Shortest flight path between Louisville International Airport (SDF) and Friday Harbor Airport (FRD).

## How far is Friday Harbor from Louisville?

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

Vincenty's formula (applied above)
• 1986.059 miles
• 3196.252 kilometers
• 1725.838 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
• 1981.638 miles
• 3189.137 kilometers
• 1721.996 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
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B Friday Harbor Airport
City: Friday Harbor, WA
Country: United States
IATA Code: FRD
ICAO Code: KFHR
Coordinates: 48°31′19″N, 123°1′26″W

## Time difference and current local times

The time difference between Louisville and Friday Harbor is 3 hours. Friday Harbor is 3 hours behind Louisville.

EDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 216 kg (477 pounds).

## Frequent Flyer Miles Calculator

Louisville (SDF) → Friday Harbor (FRD).

Distance:
1986
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1986

Round trip?