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How far is Unalaska, AK, from Brownsville, TX?

The distance between Brownsville (Brownsville/South Padre Island International Airport) and Unalaska (Unalaska Airport) is 3957 miles / 6368 kilometers / 3439 nautical miles.

Brownsville/South Padre Island International Airport – Unalaska Airport

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3957
Miles
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6368
Kilometers
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3439
Nautical miles

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Distance from Brownsville to Unalaska

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

Vincenty's formula (applied above)
  • 3957.105 miles
  • 6368.343 kilometers
  • 3438.630 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
  • 3951.112 miles
  • 6358.698 kilometers
  • 3433.422 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 Brownsville to Unalaska?

The estimated flight time from Brownsville/South Padre Island International Airport to Unalaska Airport is 7 hours and 59 minutes.

Flight carbon footprint between Brownsville/South Padre Island International Airport (BRO) and Unalaska Airport (DUT)

On average, flying from Brownsville to Unalaska generates about 451 kg of CO2 per passenger, and 451 kilograms equals 994 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Brownsville to Unalaska

See the map of the shortest flight path between Brownsville/South Padre Island International Airport (BRO) and Unalaska Airport (DUT).

Airport information

Origin Brownsville/South Padre Island International Airport
City: Brownsville, TX
Country: United States Flag of United States
IATA Code: BRO
ICAO Code: KBRO
Coordinates: 25°54′24″N, 97°25′33″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