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).
Estimated flight time from Casper–Natrona County International Airport (CPR) to Ketchikan International Airport (KTN) is 3 hours 11 minutes.
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 168 kg (370 pounds).
Casper to Ketchikan flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Ketchikan (KTN).