Air Miles Calculator

Distance between Boston, MA (BOS) and Portsmouth, NH (PSM)

Distance from Boston to Portsmouth (Logan International Airport – Portsmouth International Airport at Pease) is 50 miles / 81 kilometers / 44 nautical miles.

How far is Portsmouth from Boston?

There are several ways to calculate distances between Boston and Portsmouth. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from Logan International Airport (BOS) to Portsmouth International Airport at Pease (PSM) is 35 minutes.

Time difference and current local times

There is no time difference between Boston and Portsmouth.

Time Difference

Boston
Portsmouth

Boston, MA

 EDT

Portsmouth, NH

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 32 kg (70 pounds).

Airport information


A 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

B 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

Boston to Portsmouth flight path

Shortest flight path between Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM).

Frequent Flyer Miles Calculator

Boston (BOS) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
50
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
50

Round trip?