Map of flight path from St Louis to Unalaska.
Shortest flight path between St. Louis Lambert International Airport (STL) and Unalaska Airport (DUT).
How far is Unalaska from St Louis?
There are several ways to calculate distances between St Louis and Unalaska. Here are two common methods:Vincenty's formula (applied above)
- 3602.725 miles
- 5798.024 kilometers
- 3130.683 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
- 3593.480 miles
- 5783.145 kilometers
- 3122.648 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 St Louis and Unalaska is 4 hours. Unalaska is 4 hours behind St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 407 kg (898 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Unalaska (DUT).