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How far is Brownsville, TX, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Brownsville (Brownsville/South Padre Island International Airport) is 1911 miles / 3075 kilometers / 1660 nautical miles.

The driving distance from Portsmouth (PSM) to Brownsville (BRO) is 2251 miles / 3622 kilometers, and travel time by car is about 42 hours 42 minutes.

Portsmouth International Airport at Pease – Brownsville/South Padre Island International Airport

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1911
Miles
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3075
Kilometers
Distance arrow
1660
Nautical miles

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Distance from Portsmouth to Brownsville

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

Vincenty's formula (applied above)
  • 1910.660 miles
  • 3074.910 kilometers
  • 1660.318 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
  • 1909.818 miles
  • 3073.554 kilometers
  • 1659.587 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 Portsmouth to Brownsville?

The estimated flight time from Portsmouth International Airport at Pease to Brownsville/South Padre Island International Airport is 4 hours and 7 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Brownsville/South Padre Island International Airport (BRO)

On average, flying from Portsmouth to Brownsville generates about 209 kg of CO2 per passenger, and 209 kilograms equals 461 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portsmouth to Brownsville

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Brownsville/South Padre Island International Airport (BRO).

Airport information

Origin Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″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