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).
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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 169 kg (372 pounds).
Lafayette to Portsmouth flight map.
Frequent Flyer Miles Calculator
Lafayette (LFT) → Portsmouth (PSM).