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How far is Portsmouth, NH, from Boston, MA?

The distance between Boston (Logan International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 50 miles / 81 kilometers / 44 nautical miles.

The driving distance from Boston (BOS) to Portsmouth (PSM) is 60 miles / 96 kilometers, and travel time by car is about 1 hour 28 minutes.

Logan International Airport – Portsmouth International Airport at Pease

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50
Miles
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81
Kilometers
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44
Nautical miles

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Distance from Boston to Portsmouth

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

Vincenty's formula (applied above)
  • 50.120 miles
  • 80.660 kilometers
  • 43.553 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
  • 50.162 miles
  • 80.728 kilometers
  • 43.590 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 Boston to Portsmouth?

The estimated flight time from Logan International Airport to Portsmouth International Airport at Pease is 35 minutes.

What is the time difference between Boston and Portsmouth?

There is no time difference between Boston and Portsmouth.

Flight carbon footprint between Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM)

On average, flying from Boston to Portsmouth generates about 32 kg of CO2 per passenger, and 32 kilograms equals 71 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Boston to Portsmouth

See the map of the shortest flight path between Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Logan International Airport
City: Boston, MA
Country: United States Flag of United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″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