Map of flight path and driving directions from New York to Portsmouth.
Shortest flight path between New York LaGuardia Airport (LGA) and Portsmouth International Airport at Pease (PSM).
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).
Time difference and current local times
There is no time difference between New York and Portsmouth.
New York, NY
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 58 kg (128 pounds).
Frequent Flyer Miles Calculator
New York (LGA) → Portsmouth (PSM).