How far is Unalaska, AK, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Unalaska (Unalaska Airport) is 3603 miles / 5798 kilometers / 3131 nautical miles.

Distance from St Louis to Unalaska

There are several ways to calculate the distance from St Louis to Unalaska. Here are two standard 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 planet.

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).

How long does it take to fly from St Louis to Unalaska?

The estimated flight time from St. Louis Lambert International Airport to Unalaska Airport is 7 hours and 19 minutes.

What is the time difference between St Louis and Unalaska?

The time difference between St Louis and Unalaska is 4 hours. Unalaska is 4 hours behind St Louis.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Unalaska Airport (DUT)

On average, flying from St Louis to Unalaska generates about 407 kg of CO2 per passenger, and 407 kilograms equals 898 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from St Louis to Unalaska

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Unalaska Airport (DUT).

Airport information

Origin	St. Louis Lambert International Airport
City:	St Louis, MO
Country:	United States
IATA Code:	STL
ICAO Code:	KSTL
Coordinates:	38°44′55″N, 90°22′12″W

Destination	Unalaska Airport
City:	Unalaska, AK
Country:	United States
IATA Code:	DUT
ICAO Code:	PADU
Coordinates:	53°54′0″N, 166°32′38″W