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How far is Portsmouth, NH, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1791 miles / 2882 kilometers / 1556 nautical miles.

The driving distance from San Antonio (SAT) to Portsmouth (PSM) is 2084 miles / 3354 kilometers, and travel time by car is about 38 hours 42 minutes.

San Antonio International Airport – Portsmouth International Airport at Pease

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1791
Miles
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2882
Kilometers
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1556
Nautical miles

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Distance from San Antonio to Portsmouth

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

Vincenty's formula (applied above)
  • 1790.829 miles
  • 2882.060 kilometers
  • 1556.188 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
  • 1788.859 miles
  • 2878.889 kilometers
  • 1554.476 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 San Antonio to Portsmouth?

The estimated flight time from San Antonio International Airport to Portsmouth International Airport at Pease is 3 hours and 53 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and Portsmouth International Airport at Pease (PSM)

On average, flying from San Antonio to Portsmouth generates about 199 kg of CO2 per passenger, and 199 kilograms equals 439 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from San Antonio to Portsmouth

See the map of the shortest flight path between San Antonio International Airport (SAT) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W
Destination 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