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

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

Unalaska Airport – Brownsville/South Padre Island International Airport

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3957
Miles
Distance arrow
6368
Kilometers
Distance arrow
3439
Nautical miles

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Distance from Unalaska to Brownsville

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

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

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

On average, flying from Unalaska to Brownsville 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 Unalaska to Brownsville

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

Airport information

Origin 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
Destination 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