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How far is Brownsville, TX, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Brownsville (Brownsville/South Padre Island International Airport) is 1671 miles / 2690 kilometers / 1452 nautical miles.

The driving distance from Great Falls (GTF) to Brownsville (BRO) is 1987 miles / 3198 kilometers, and travel time by car is about 36 hours 41 minutes.

Great Falls International Airport – Brownsville/South Padre Island International Airport

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1671
Miles
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2690
Kilometers
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1452
Nautical miles

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Distance from Great Falls to Brownsville

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

Vincenty's formula (applied above)
  • 1671.213 miles
  • 2689.557 kilometers
  • 1452.244 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
  • 1673.037 miles
  • 2692.492 kilometers
  • 1453.829 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 Great Falls to Brownsville?

The estimated flight time from Great Falls International Airport to Brownsville/South Padre Island International Airport is 3 hours and 39 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Brownsville/South Padre Island International Airport (BRO)

On average, flying from Great Falls to Brownsville generates about 191 kg of CO2 per passenger, and 191 kilograms equals 420 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Brownsville

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

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″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