Map of flight path and driving directions from Casper to Ketchikan.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Ketchikan International Airport (KTN).
How far is Ketchikan from Casper?
There are several ways to calculate distances between Casper and Ketchikan. Here are two common methods:Vincenty's formula (applied above)
- 1418.639 miles
- 2283.077 kilometers
- 1232.763 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
- 1415.858 miles
- 2278.602 kilometers
- 1230.347 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 Casper and Ketchikan is 2 hours. Ketchikan is 2 hours behind Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 174 kg (384 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Ketchikan (KTN).