Air Miles Calculator

Distance between New York, NY (LGA) and Portsmouth, NH (PSM)

Distance from New York to Portsmouth (LaGuardia Airport – Portsmouth International Airport at Pease) is 223 miles / 359 kilometers / 194 nautical miles.

How far is Portsmouth from New York?

There are several ways to calculate distances between New York and Portsmouth. Here are two common methods:

Vincenty's formula (applied above)
  • 223.379 miles
  • 359.494 kilometers
  • 194.111 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
  • 223.216 miles
  • 359.232 kilometers
  • 193.970 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 LaGuardia Airport (LGA) to Portsmouth International Airport at Pease (PSM) is 55 minutes.

Time difference and current local times

There is no time difference between New York and Portsmouth.

Time Difference

New York
Portsmouth

New York, NY

 EST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 56 kg (123 pounds).

Airport information


A LaGuardia Airport
City: New York, NY
Country: United States Flag of United States
IATA Code: LGA
ICAO Code: KLGA
Coordinates: 40°46′37″N, 73°52′21″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

Map

New York to Portsmouth flight map.

Frequent Flyer Miles Calculator

New York (LGA) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
223
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
223

Round trip?