How far is Portsmouth, NH, from Brownsville, TX?
The distance between Brownsville (Brownsville/South Padre Island International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1911 miles / 3075 kilometers / 1660 nautical miles.
The driving distance from Brownsville (BRO) to Portsmouth (PSM) is 2256 miles / 3631 kilometers, and travel time by car is about 43 hours 1 minutes.
Brownsville/South Padre Island International Airport – Portsmouth International Airport at Pease
Search flights
Distance from Brownsville to Portsmouth
There are several ways to calculate the distance from Brownsville to Portsmouth. 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 Brownsville to Portsmouth?
The estimated flight time from Brownsville/South Padre Island International Airport to Portsmouth International Airport at Pease is 4 hours and 7 minutes.
What is the time difference between Brownsville and Portsmouth?
Flight carbon footprint between Brownsville/South Padre Island International Airport (BRO) and Portsmouth International Airport at Pease (PSM)
On average, flying from Brownsville to Portsmouth 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 Brownsville to Portsmouth
See the map of the shortest flight path between Brownsville/South Padre Island International Airport (BRO) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Brownsville/South Padre Island International Airport |
|---|---|
| City: | Brownsville, TX |
| Country: | United States  |
| IATA Code: | BRO |
| ICAO Code: | KBRO |
| Coordinates: | 25°54′24″N, 97°25′33″W |
| Destination | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |