How far is Ketchikan from St Louis?
There are several ways to calculate distances between St Louis and Ketchikan. Here are two common methods:Vincenty's formula (applied above)
- 2217.376 miles
- 3568.521 kilometers
- 1926.847 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
- 2212.825 miles
- 3561.196 kilometers
- 1922.892 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 St. Louis Lambert International Airport (STL) to Ketchikan International Airport (KTN) is 4 hours 41 minutes.
Time difference and current local times
The time difference between St Louis and Ketchikan is 3 hours. Ketchikan is 3 hours behind St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 246 kg (543 pounds).
St Louis to Ketchikan flight map.
Frequent Flyer Miles Calculator
St Louis (STL) → Ketchikan (KTN).