Map of flight path and driving directions from Louisville to Ketchikan.
Shortest flight path between Louisville International Airport (SDF) and Ketchikan International Airport (KTN).
How far is Ketchikan from Louisville?
There are several ways to calculate distances between Louisville and Ketchikan. Here are two common methods:Vincenty's formula (applied above)
- 2424.023 miles
- 3901.087 kilometers
- 2106.418 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
- 2418.901 miles
- 3892.844 kilometers
- 2101.968 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).
Time difference and current local times
The time difference between Louisville and Ketchikan is 4 hours. Ketchikan is 4 hours behind Louisville.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 266 kg (587 pounds).
Frequent Flyer Miles Calculator
Louisville (SDF) → Ketchikan (KTN).