Air Miles Calculator logo

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

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

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

Portsmouth International Airport at Pease – Logan International Airport

Distance arrow
50
Miles
Distance arrow
81
Kilometers
Distance arrow
44
Nautical miles

Search flights

Distance from Portsmouth to Boston

There are several ways to calculate the distance from Portsmouth to Boston. 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 Portsmouth to Boston?

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

What is the time difference between Portsmouth and Boston?

There is no time difference between Portsmouth and Boston.

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

On average, flying from Portsmouth to Boston 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 Portsmouth to Boston

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

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 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