Air Miles Calculator

Distance between Lafayette, LA (LFT) and Portsmouth, NH (PSM)

Distance from Lafayette to Portsmouth (Lafayette Regional Airport – Portsmouth International Airport at Pease) is 1466 miles / 2360 kilometers / 1274 nautical miles.

How far is Portsmouth from Lafayette?

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

Vincenty's formula (applied above)
  • 1466.218 miles
  • 2359.649 kilometers
  • 1274.109 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
  • 1465.161 miles
  • 2357.948 kilometers
  • 1273.190 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 Lafayette Regional Airport (LFT) to Portsmouth International Airport at Pease (PSM) is 3 hours 16 minutes.

Time difference and current local times

The time difference between Lafayette and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Lafayette.

Time Difference

Lafayette
Portsmouth

Lafayette, LA

 CST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 169 kg (372 pounds).

Airport information


A Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″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

Lafayette to Portsmouth flight map.

Frequent Flyer Miles Calculator

Lafayette (LFT) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1466
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1466

Round trip?