Map of flight path and driving directions from Houston to Ketchikan.
Shortest flight path between Houston William P. Hobby Airport (HOU) and Ketchikan International Airport (KTN).
How far is Ketchikan from Houston?
There are several ways to calculate distances between Houston and Ketchikan. Here are two common methods:Vincenty's formula (applied above)
- 2520.061 miles
- 4055.645 kilometers
- 2189.873 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
- 2518.008 miles
- 4052.341 kilometers
- 2188.089 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 Houston and Ketchikan is 3 hours. Ketchikan is 3 hours behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 278 kg (612 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → Ketchikan (KTN).