Map of flight path and driving directions from Watertown to Ketchikan.
Shortest flight path between Watertown International Airport (ART) and Ketchikan International Airport (KTN).
How far is Ketchikan from Watertown?
There are several ways to calculate distances between Watertown and Ketchikan. Here are two common methods:Vincenty's formula (applied above)
- 2541.636 miles
- 4090.366 kilometers
- 2208.621 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
- 2534.577 miles
- 4079.006 kilometers
- 2202.487 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 Watertown and Ketchikan is 4 hours. Ketchikan is 4 hours behind Watertown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 280 kg (617 pounds).
Frequent Flyer Miles Calculator
Watertown (ART) → Ketchikan (KTN).