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How far is Portsmouth, NH, from San Francisco, CA?

The distance between San Francisco (San Francisco International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2704 miles / 4352 kilometers / 2350 nautical miles.

The driving distance from San Francisco (SFO) to Portsmouth (PSM) is 3171 miles / 5104 kilometers, and travel time by car is about 56 hours 36 minutes.

San Francisco International Airport – Portsmouth International Airport at Pease

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2704
Miles
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4352
Kilometers
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2350
Nautical miles

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Distance from San Francisco to Portsmouth

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

Vincenty's formula (applied above)
  • 2704.311 miles
  • 4352.167 kilometers
  • 2349.982 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
  • 2697.713 miles
  • 4341.549 kilometers
  • 2344.249 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 Francisco to Portsmouth?

The estimated flight time from San Francisco International Airport to Portsmouth International Airport at Pease is 5 hours and 37 minutes.

Flight carbon footprint between San Francisco International Airport (SFO) and Portsmouth International Airport at Pease (PSM)

On average, flying from San Francisco to Portsmouth generates about 299 kg of CO2 per passenger, and 299 kilograms equals 659 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 Francisco to Portsmouth

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

Airport information

Origin San Francisco International Airport
City: San Francisco, CA
Country: United States Flag of United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″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