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How far is Portsmouth, NH, from St Petersburg, FL?

The distance between St Petersburg (St. Pete–Clearwater International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1238 miles / 1993 kilometers / 1076 nautical miles.

The driving distance from St Petersburg (PIE) to Portsmouth (PSM) is 1409 miles / 2267 kilometers, and travel time by car is about 27 hours 32 minutes.

St. Pete–Clearwater International Airport – Portsmouth International Airport at Pease

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1238
Miles
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1993
Kilometers
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1076
Nautical miles

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Distance from St Petersburg to Portsmouth

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

Vincenty's formula (applied above)
  • 1238.443 miles
  • 1993.081 kilometers
  • 1076.177 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
  • 1239.585 miles
  • 1994.919 kilometers
  • 1077.170 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 St Petersburg to Portsmouth?

The estimated flight time from St. Pete–Clearwater International Airport to Portsmouth International Airport at Pease is 2 hours and 50 minutes.

What is the time difference between St Petersburg and Portsmouth?

There is no time difference between St Petersburg and Portsmouth.

Flight carbon footprint between St. Pete–Clearwater International Airport (PIE) and Portsmouth International Airport at Pease (PSM)

On average, flying from St Petersburg to Portsmouth generates about 163 kg of CO2 per passenger, and 163 kilograms equals 359 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Petersburg to Portsmouth

See the map of the shortest flight path between St. Pete–Clearwater International Airport (PIE) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin St. Pete–Clearwater International Airport
City: St Petersburg, FL
Country: United States Flag of United States
IATA Code: PIE
ICAO Code: KPIE
Coordinates: 27°54′36″N, 82°41′14″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