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

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

Distance from Unalaska to St Louis

There are several ways to calculate the distance from Unalaska to St Louis. 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 Unalaska to St Louis?

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

What is the time difference between Unalaska and St Louis?

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

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

On average, flying from Unalaska to St Louis 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 Unalaska to St Louis

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

Airport information

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

Destination	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