# Distance between West Palm Beach, FL (PBI) and Portsmouth, NH (PSM)

Flight distance from West Palm Beach to Portsmouth (Palm Beach International Airport – Portsmouth International Airport at Pease) is 1245 miles / 2004 kilometers / 1082 nautical miles. Estimated flight time is 2 hours 51 minutes.

Driving distance from West Palm Beach (PBI) to Portsmouth (PSM) is 1479 miles / 2380 kilometers and travel time by car is about 26 hours 31 minutes.

## Map of flight path and driving directions from West Palm Beach to Portsmouth.

Shortest flight path between Palm Beach International Airport (PBI) and Portsmouth International Airport at Pease (PSM).

## How far is Portsmouth from West Palm Beach?

There are several ways to calculate distances between West Palm Beach and Portsmouth. Here are two common methods:

Vincenty's formula (applied above)
• 1244.935 miles
• 2003.528 kilometers
• 1081.819 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
• 1246.803 miles
• 2006.535 kilometers
• 1083.442 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).

## Airport information

A Palm Beach International Airport
City: West Palm Beach, FL
Country: United States
IATA Code: PBI
ICAO Code: KPBI
Coordinates: 26°40′59″N, 80°5′44″W

B Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W

## Time difference and current local times

There is no time difference between West Palm Beach and Portsmouth.

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (360 pounds).

## Frequent Flyer Miles Calculator

West Palm Beach (PBI) → Portsmouth (PSM).

Distance:
1245
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1245

Round trip?