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

The distance between Portsmouth (Portsmouth International Airport at Pease) and San Diego (San Diego International Airport) is 2597 miles / 4179 kilometers / 2256 nautical miles.

The driving distance from Portsmouth (PSM) to San Diego (SAN) is 3077 miles / 4952 kilometers, and travel time by car is about 55 hours 43 minutes.

Portsmouth International Airport at Pease – San Diego International Airport

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2597
Miles
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4179
Kilometers
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2256
Nautical miles

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Distance from Portsmouth to San Diego

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

Vincenty's formula (applied above)
  • 2596.707 miles
  • 4178.994 kilometers
  • 2256.476 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
  • 2591.363 miles
  • 4170.394 kilometers
  • 2251.832 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 San Diego?

The estimated flight time from Portsmouth International Airport at Pease to San Diego International Airport is 5 hours and 24 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and San Diego International Airport (SAN)

On average, flying from Portsmouth to San Diego generates about 286 kg of CO2 per passenger, and 286 kilograms equals 632 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 San Diego

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

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 San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W