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How far is Unalaska, AK, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Unalaska (Unalaska Airport) is 3728 miles / 6000 kilometers / 3240 nautical miles.

San Antonio International Airport – Unalaska Airport

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3728
Miles
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6000
Kilometers
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3240
Nautical miles

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Distance from San Antonio to Unalaska

There are several ways to calculate the distance from San Antonio to Unalaska. Here are two standard methods:

Vincenty's formula (applied above)
  • 3728.328 miles
  • 6000.161 kilometers
  • 3239.828 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
  • 3721.621 miles
  • 5989.369 kilometers
  • 3234.001 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 San Antonio to Unalaska?

The estimated flight time from San Antonio International Airport to Unalaska Airport is 7 hours and 33 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and Unalaska Airport (DUT)

On average, flying from San Antonio to Unalaska generates about 423 kg of CO2 per passenger, and 423 kilograms equals 932 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from San Antonio to Unalaska

See the map of the shortest flight path between San Antonio International Airport (SAT) and Unalaska Airport (DUT).

Airport information

Origin San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W
Destination Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W