Map of flight path and driving directions from Sioux City to Ketchikan.
Shortest flight path between Sioux Gateway Airport (SUX) and Ketchikan International Airport (KTN).
How far is Ketchikan from Sioux City?
There are several ways to calculate distances between Sioux City and Ketchikan. Here are two common methods:Vincenty's formula (applied above)
- 1814.376 miles
- 2919.956 kilometers
- 1576.650 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
- 1810.216 miles
- 2913.260 kilometers
- 1573.034 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 Sioux City and Ketchikan is 3 hours. Ketchikan is 3 hours behind Sioux City.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 201 kg (444 pounds).
Frequent Flyer Miles Calculator
Sioux City (SUX) → Ketchikan (KTN).